Chevrolet RPO Codes Starting With I
223 Chevrolet RPO codes that start with I. ← Back to the navigator · Decode your VIN
| Code | Description |
|---|---|
| I03 | 2012 OEM Engine Physical ID Azn & Production Number 12634329. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| I07 | Spare tire: 7.50-17/D 8PR BW TT Highway. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I0B | Rear tires: 235/75R15-105S BW R/PE ST TL AT. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I0F | Merchandised package: Lucerne Super Series. This code identifies a factory option package; its exact contents may vary by model and model year. |
| I0J | Primary exterior color: Oak Green Mica. This code identifies the vehicle's factory-applied main exterior paint color. |
| I0N | GM regional configuration: Europe OLP. This code identifies a market, export, regional production, or localization configuration. |
| I0R | Local market configuration: Wheel & Tyre ASM-165/80 SR13 (Alloy Racer). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| I0V | Component family code: Antenna. This is an internal GM production code used to identify a specific component selection or engineering configuration. |
| I0Z | GM regional configuration: Europe (Opy). This code identifies a market, export, regional production, or localization configuration. |
| I1D | Grille Radiator, Lattice Type. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I1H | USB ports, type-C, (2) charge-only. This code identifies factory electrical, charging, wiring, or power-supply equipment. |
| I1L | All tires: 205/55R16-91V BW R/ST TL Highway (Soft Run Flat Tire). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I1P | AM/FM Stereo, SEEK/SCAN, CD, ETR, Clock Dsp, MP3/Wma, S/DIN. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| I1T | Gross vehicle weight rating: 5137 lb. This code identifies a factory weight rating, payload classification, or related vehicle-capacity specification. |
| I1X | South Africa regional configuration: Delta Motors (Efm). This code identifies a market, export, regional production, or localization configuration. |
| I22 | 2010 OEM Engine Physical ID Adv & Production Number 12626036. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| I29 | Destination country: Commonwealth of Independent States (Belarus, Co. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I2U | Exhaust Manifold, Sheet Metal. This code identifies a factory fuel-system, emissions, or exhaust configuration. |
| I37 | Fleet incentive program: Anadarko Petroleum (H/U/W-TRK CKMLST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| I3G | Model conversion: SRX V8. This code identifies a special-purpose vehicle conversion, service application, or related factory preparation. |
| I3K | Fleet LTZ Base Content Delete. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I3O | Vinyl roof color: Dark Blue. This code identifies the factory color, material, or configuration used for the roof or convertible top. |
| I3S | Primary exterior color: Champagne Silver Metallic (102V). This code identifies the vehicle's factory-applied main exterior paint color. |
| I3W | Interior trim: Jet Black/Bitter Sweet. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I41 | Speedometer Inst, Kilo, Positive Bias. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I45 | Braking control, ECM grade. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I49 | Fleet sales program: Frito-Lay. This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| I4D | Instrument panel trim: Black Pearl. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| I4H | Trim, Special Order Equipment. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I4L | Vinyl interior trim: Medium Dark Pewter (W) (97). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I4P | Computer-selected front left suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| I4T | 2010 OEM Engine Physical ID A6A & Production Number 12635496. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| I4X | Spare tire: 225/70R19.5H highway blackwall Continental. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I51 | South Africa regional configuration: Delta Motors (Eiq). This code identifies a market, export, regional production, or localization configuration. |
| I55 | Rear axle ratio: 4.56:1. This value describes the final-drive gearing between the driveshaft and the driven wheels. |
| I59 | Leather interior trim: Light Urban (3) (Holdens). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I5D | Wheelbase: 236" (599.4 cm). This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I5H | 6.2L 8-cylinder gasoline engine, SFI, Er, aluminum, Interior Clr Sc, GM. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| I5L | Wheels: 17" (43.2 cm) Silver painted aluminum. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| I5P | Exterior mirrors: Left and Right, Manual Control, Manual Folding. This code identifies the factory mirror type, position, adjustment, or included functions. |
| I5T | Compartment Engine Cover Document. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| I5X | Leather interior trim: Cappuccino Cream (5) (95). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I61 | Provisions: Jack & Fire Extinguisher. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I65 | Deep Tinted Window, All Except Windshield and Doors. This code identifies factory glass, window-control, or roof-opening equipment. |
| I6A | Spare tire: P235/75R15. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I6E | Brake Vac Power, 4 Whl Disc, 5,500 lb. This code identifies the factory brake-system configuration or related braking equipment. |
| I6I | Floor mat color: Shale (F) (95). This code identifies the factory floor covering, carpet, or floor-mat color and material. |
| I6M | Rear axle ratio: 3.54:1. This value describes the final-drive gearing between the driveshaft and the driven wheels. |
| I6Q | Winterization Kit (NO. 2). This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| I6U | 6-speed manual transmission, (F40 FWD), 1ST 4.167, 2ND 2.208, 3RD 1. 48, 4TH 1.155, 5TH 0.92, 6TH 0.74, Shaft. This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| I6Y | Interior trim: Garnet Red. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I72 | Merchandised package: Saturn 'Se'. This code identifies a factory option package; its exact contents may vary by model and model year. |
| I76 | Audio system: Feature, Premium Surround Sound 15-speaker system. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| I7A | Wheels: 19" (45.7 cm) Bright aluminum with Midnight Silver painted pockets. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| I7E | Computer-selected rear suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| I7I | Chassis Special, Utility Body. This code identifies a factory body, structural, cargo, closure, or exterior hardware configuration. |
| I7M | Restraint system: Rear Seat, Shldr, 2 Point, Manual, 3rd Row. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| I7Q | Speaker System, 4, Dual Front Door Mounted, Dual Extended Range Quarter Mounted. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| I7U | All tires: 195/55R16-87H BW R/ST TL Highway (Low-Resistance) (Do Not Use After 2011 on NEW/MAJOR Progs). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| I7Y | Cap, Styled Wheel Hub. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| I82 | Cloth interior trim: Medium Dark Gray (H) (91). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| I86 | Primary exterior color: Sandstorm. This code identifies the vehicle's factory-applied main exterior paint color. |
| I8A | Assembly plant code: Moraine, Oh, GM T&B. This code is used for factory production, scheduling, assembly, shipping, or vehicle-routing purposes. |
| I8E | Front suspension: 3,650 lb capacity (Low Position) (Special Equipment Option). This code identifies a factory suspension component, spring selection, or chassis calibration. |
| I8I | Fleet incentive program: Alliant Food Services (U/W-TRK GST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| I8M | Center instrument panel: Charcoal. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| I8Q | Audio Control Rear Seat, Display, Chauffeur Mode. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| I8U | Primary exterior color: Thai Gold Metallic. This code identifies the vehicle's factory-applied main exterior paint color. |
| I8Y | Seat trim, Deluxe Cloth. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| I92 | Panel Trim, Partition. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| I96 | Equipment Package, Comfort. This code identifies a factory option package; its exact contents may vary by model and model year. |
| I9A | Window: Manual. This code identifies factory glass, window-control, or roof-opening equipment. |
| I9E | LPO accessory: First Aid Kit. This code identifies a factory-approved, dealer-installed, or port-installed accessory. |
| I9I | Conversion nameplate: Emblem Champion. This code identifies a special-purpose vehicle conversion, service application, or related factory preparation. |
| I9M | Primary exterior color: Cherry Red Metallic (G) 715J. This code identifies the vehicle's factory-applied main exterior paint color. |
| I9Q | Toggle Switch for Work Light, provides additional wire for utility light. This code identifies factory-installed exterior or interior lighting equipment. |
| I9U | LPO accessory: 22" (55.9 cm) Bright Chrome multi-spoke wheels. This code identifies a factory-approved, dealer-installed, or port-installed accessory. |
| I9Y | Luggage rack, roof-mounted. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IA2 | Sales package: Tier 2 Performance Pack. This code identifies a factory option package; its exact contents may vary by model and model year. |
| IA6 | Fleet incentive program: Mike Albert (J/H/N/U/W-TRK CKGML). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IAA | Label Information Bumper Impact, 5 mph Front and 2.5 mph Rear, Ca. This code identifies a factory body, structural, cargo, closure, or exterior hardware configuration. |
| IAI | Accessory: Ball Mount, Trailer Hitch. This code identifies a factory-approved, dealer-installed, or port-installed accessory. |
| IAM | Fleet incentive program: Southern Star (-TRK). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IAU | GM regional configuration: Europe OH6. This code identifies a market, export, regional production, or localization configuration. |
| IB0 | Transmission: 9-speed automatic. This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| IB8 | Local market configuration: Package Corsa 1.6IS Rogue Utility (Sv). This code identifies a factory option package; its exact contents may vary by model and model year. |
| IBG | Instrument Cluster Panel Trim Plate. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| IBM | Interior trim configuration: #4. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| IBS | 1.8L 4-cylinder engine, (1.8D), Diesel. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| IBX | Restraint system: Seat, Inflatable, Driver & Passenger, Dual Stage. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| IC1 | Rear axle with a 34:1 gear ratio, 000 lb, Eaton DS344P, Single Speed. This value describes the final-drive gearing between the driveshaft and the driven wheels. |
| IC8 | Redline Special Edition. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| ICC | Vehicle Taxicab, Version 3. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| ICH | All tires: P215/50R17-90H BW ST TL AL2 (Do Not Use After 2011 on NEW/MAJOR Progs). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| ICM | Wheel color: Yellow (92). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| ICQ | Exterior mirror: Special Paint. This code identifies a factory paint, stripe, or exterior appearance treatment. |
| ICU | Brake Provisions 16" Brake. This code identifies the factory brake-system configuration or related braking equipment. |
| ID0 | Front tires: 7.50-16LT/D BL D/NY TT Highway (346989). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| ID8 | Opel interior panel trim: Inner, Vinyl, Decorative Seam. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| IDL | Wheels: Rear 19.5 X 7.50 10 Hole, 285.75MM Bc Fn, 6.40 Offset ( Accuride 29195 ). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IDP | Fleet incentive program: Auto Glass Services Llc (W-TRK CKG). This code identifies factory glass, window-control, or roof-opening equipment. |
| IDU | OnStar Additional 21 months of OnStar Fleet Safety and Security. This code identifies a factory security, access, locking, or convenience feature. |
| IE1 | Package Sport Version. This code identifies a factory option package; its exact contents may vary by model and model year. |
| IE9 | Fleet incentive program: Medical Services of America (- TRK). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IEF | Vehicle Statement, Gulf States Organization. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IEJ | Primary exterior color: Silky Shadow, Metallic (G). This code identifies the vehicle's factory-applied main exterior paint color. |
| IEN | 6-speed automatic transmission, GMDAT, AWD (X23F). This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| IES | Front tires: LT215/85R16/E BW R/PE ST TL OOR (Special Equipment Option). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IEW | Wheelbase: 169 in. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IF0 | Seat adjuster: Passenger 8-way power. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| IF6 | WT package, option level 2. This code identifies a factory option package; its exact contents may vary by model and model year. |
| IFA | Instrument panel trim: Matrix, Metallized. This code identifies a factory color, finish, or component used on the instrument panel or instrument cluster. |
| IFG | Spare Wheel, Full Size, Low Mass Aluminum. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IFK | Leather interior trim: Pewter. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| IFO | Trim Cdmbination, Cloth, Med Emerald (B). This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IFS | Fleet incentive program: Middleton Pest Control, Inc (N/W-TRK GKGST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IFW | Keyless Access. This code identifies a factory security, access, locking, or convenience feature. |
| IG0 | Cover, Shifter Front Floor Console, Piano Grey. This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| IG4 | Restraint Roof Side, Left-Hand & Right-Hand, Inflatable. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IG8 | Wiring-Headlight Flasher, Grille Lights & Speakers. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IGC | Floor covering color: Bordeaux Red. This code identifies the factory floor covering, carpet, or floor-mat color and material. |
| IGG | Fleet incentive program: Forest Pharmaceuticals, Inc (B/C/D/G/H/U/W-TRK CK ST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IGK | Kit Headphone Set. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IGO | Door trim: Pvc, Corinthian Mini Perforated, variant 2. This code identifies a factory body, structural, cargo, closure, or exterior hardware configuration. |
| IGS | Cluster Inst, Analog, miles. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IGW | Suspension, Off-Road, 2" factory installed lift. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IH0 | Fleet incentive program: Raychom Media (W-TRK CKGST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IHA | Harness, Instrument Panel, #6. This code identifies factory electrical, charging, wiring, or power-supply equipment. |
| IHK | Mirror, Inside, Rearview, LT Sensitive, Compass, Exterior Temp Display. This code identifies the factory mirror type, position, adjustment, or included functions. |
| IHQ | Headlamps on Warning System. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IHU | Rear axle ratio: Tranaxle Final Drive 2.44. This value describes the final-drive gearing between the driveshaft and the driven wheels. |
| IHZ | Wheels: 20 X 8.5, Aluminum, Machined Bright (Chev). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IK0 | GM regional configuration: Europe (Ona). This code identifies a market, export, regional production, or localization configuration. |
| IKI | All tires: P235/50R17-95S BW R/PE ST TL ALS. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IKT | All tires: 305/30ZR19 102Y HW5. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IKX | Leather interior trim: Cappuccino Cream (5) (95). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| ILA | Computer-selected front right suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| ILK | Assembly plant code: Gunsan, Korea. This code is used for factory production, scheduling, assembly, shipping, or vehicle-routing purposes. |
| ILP | Spare tire: T135/70R18 96M. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| ILT | Sales package: Enhanced Convenience. This code identifies a factory option package; its exact contents may vary by model and model year. |
| ILZ | Wheels: 18 X 7.5 Aluminum, Machined. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IM5 | Processing Bars Internal Control #8. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IMD | Primary exterior color: Midnight Black II, Mica Opel) (02). This code identifies the vehicle's factory-applied main exterior paint color. |
| IMP | Rear tires: LT245/75R16/C BL R/PE ST Tbl ALS (9591407). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IMT | Computer-selected rear right suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IMX | Wheels: 20" (50.8 cm) multi-dimensional Polished aluminum. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IN1 | Computer-selected rear left suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IN6 | Front tires: 8.00R-19.5 E Radial R/B Sbr Highway Tbls B/W Goodyear Wrangler. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| INA | Fleet incentive program: United Steel Workers of America (W). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| INK | Wheels: 18 X 8, Steel, HD 8 Lug. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| INP | Grille, Silver. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| INT | Covering Load Compartment, Rigid. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| INX | LPO accessory: Front splitter. This code identifies a factory-approved, dealer-installed, or port-installed accessory. |
| IO1 | Mirror, Below Eyeline, Junior (Painted). This code identifies the factory mirror type, position, adjustment, or included functions. |
| IOJ | Fleet incentive program: Nui Elizabethtown Gas (C/J/N/U/W-TRK CKGST). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IOQ | Wheels: 17" Saab Progressive ALU89 (Do Not Use After M.Y. 2011). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IPI | Battery: 54 Ah. This code identifies factory electrical, charging, wiring, or power-supply equipment. |
| IPP | Wheelbase: 206 inches. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IPU | Eldorado 'Monochromatic' Touring Coupe (6EL57 + YP4 = 6ET57). This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IPZ | Lamp, Interior, Rear Quarter Courtesy Upper. This code identifies factory-installed exterior or interior lighting equipment. |
| IQ9 | Cooler Interior, Water, Non-Electric. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IQK | Plant Operation Mexican Domestic Designed Vehicles Only-Mj Product. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IQP | GM regional configuration: Europe OZ3. This code identifies a market, export, regional production, or localization configuration. |
| IQT | All tires: P215/70R16-100S BW ST TL ALS (Do Not Use After 2011 on NEW/MAJOR Progs). This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IQY | Speaker System, 6, Dual Front Dash Mounted, Front Door, Dual Extended Range Shelf. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IR2 | Fleet incentive program: Bunzl Distribution USA (B/C/D/G/H/K/W). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IR6 | Generator, 94 Ampere. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IRF | Calibration- Speedometer a. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IRK | Assembly plant code: Ingersoll, Ont, Canada (Cami). This code identifies a market, export, regional production, or localization configuration. |
| IRP | Computer-selected rear right suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IRU | Computer-selected suspension component package. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IS0 | 2.9L V6 diesel engine, DI, turbocharged. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| IS5 | Primary exterior color: Blue Green Metallic (98). This code identifies the vehicle's factory-applied main exterior paint color. |
| IS9 | Production schedule sequence 17. This code is used for factory production, scheduling, assembly, shipping, or vehicle-routing purposes. |
| ISL | Provisions: Fire Prevention System. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| ISP | Wheels: 18 X 8, Aluminum, Design 21 Tbd Global Delta (Do Not Use After M.Y. 2011). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IST | Compartment Stowage, Rear Flr. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| ISX | Fleet incentive program: New Millenium Roofing (TRK CKGML). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IT6 | Fleet incentive program: United States Coachworks (K). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| ITA | Equipment Antenna-Taxi, without GPS. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| ITO | Production identification point: Control 2016 1/2 MY. This code is used for factory production, scheduling, assembly, shipping, or vehicle-routing purposes. |
| ITS | Door trim: Soft Touch Paint. This code identifies a factory body, structural, cargo, closure, or exterior hardware configuration. |
| ITY | Equipment Package, Hot Weather. This code identifies a factory option package; its exact contents may vary by model and model year. |
| IU2 | Base Corvette Convertible. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IU6 | Completely knocked down (CKD) assembly option: #65 Venezuela. This code identifies a market, export, regional production, or localization configuration. |
| IUI | Lock control: Entry Remote Entry, Specific Frequency, Start. This code identifies a factory security, access, locking, or convenience feature. |
| IV2 | Additional equipment: Thailand. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IV6 | Speaker System, Bose 4-Speaker, Includes Amplifier. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IVF | Destination country: Surinam. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IVJ | Door trim: Polycarbonate, Film. This code identifies a factory body, structural, cargo, closure, or exterior hardware configuration. |
| IVO | Primary exterior color: Yellow White. This code identifies the vehicle's factory-applied main exterior paint color. |
| IVW | Computer-selected front right suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IW0 | Rear axle ratio: 3.31:1. This value describes the final-drive gearing between the driveshaft and the driven wheels. |
| IW4 | Hood insert, visible Carbon Fiber weave. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IW8 | Computer-selected front right suspension component. This code identifies a factory suspension component, spring selection, or chassis calibration. |
| IWF | Wheels: 15 X 7, Custom Sport (Chrome Styled). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IWJ | Speaker System 6, Base. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IWN | Fleet incentive program: #180. This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IWR | Wheels: 18 X 8.0, J, Aluminum, Design 3. This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
| IWV | Front seat: Bucket, with LUMBAR SUPPORT, DRIVER & passenger SIDE. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| IWZ | gasoline engine, 455CID, 4BBL. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| IX5 | Parts package: Miscellaneous Parts for Value Leader Package. This code identifies a factory option package; its exact contents may vary by model and model year. |
| IX9 | 2015 OEM Engine Physical ID Chl & Production Number 94673330. This code identifies the factory-installed engine, propulsion system, or a related engine specification. |
| IXN | Antenna, Fixed, AM/FM C.B. Triband. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IXU | GMC Pro Safety Plus. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IY1 | Cloth interior trim: Ebony/Brick. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| IY5 | Vehicle health management. This code identifies a factory configuration, production specification, engineering selection, or sales designation used by GM. |
| IY9 | Seat, Passenger Air, Low Back, Vinyl, Bostrom 910. This code identifies a factory seat, restraint, upholstery, or seating-layout feature. |
| IYD | GM regional configuration: Europe (Opx). This code identifies a market, export, regional production, or localization configuration. |
| IYH | GM regional configuration: Europe OJT. This code identifies a market, export, regional production, or localization configuration. |
| IYL | 6-speed manual transmission, 2.664 1ST, 0.502 6TH. This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| IYP | Vinyl interior trim: Medium Beechwood. This code identifies the factory upholstery material, color combination, or interior trim specification. |
| IYT | Conversion nameplate: 'Sri'. This code identifies a special-purpose vehicle conversion, service application, or related factory preparation. |
| IYX | 6-speed automatic transmission, Allison, 3500 Evs. This code identifies the vehicle's factory transmission, gearing, shifter, or related calibration. |
| IZ1 | Tires, 245/40ZR19, summer-only, run-flat. This code identifies the factory tire specification, application, or spare-wheel equipment. |
| IZ6 | Interior rearview mirror: R/V Tilt, Auto, Memory. This code identifies the factory mirror type, position, adjustment, or included functions. |
| IZA | Interior trim design: (H2). This code identifies the factory upholstery material, color combination, or interior trim specification. |
| IZE | AM/FM stereo: Cassette, RDS. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IZI | Fleet incentive program: Picasso Coach Builders, Corp (K). This code records a GM fleet, direct-sale, or commercial sales-program designation rather than a physical vehicle feature. |
| IZM | Speaker System, 4, Dual Front Door Mounted, Dual Standard Range Package S. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IZQ | Display Time, Date. This code identifies the factory audio, infotainment, navigation, communication, or display configuration. |
| IZU | LPO accessory: Assist Step and Tonneau Value Package III. This code identifies a factory-approved, dealer-installed, or port-installed accessory. |
| IZY | Wheels: 18 X 8.5 Front & 18 X 9.0 Rear, Aluminum, Chromed (Do Not Use After M.Y. 2011). This code identifies the factory wheel size, material, finish, design, or related wheel equipment. |
Meanings vary by model, year, and plant — your VIN's build sheet is the definitive list.