GM Service Manual Online
For 1990-2009 cars only

The production/process codes provide the description of the Regular Production Options (RPOs) used on the Corvette. The RPO list is printed on the Service Parts Identification Label. The following is a list of the RPO abbreviations and the description of each:

RPO

Description

AAB

Memory, Driver Convenience Package

AJ7

Restraint System Seat, Inflatable, Driver and PASS, FRT and Side

AQ9

Seat FRT BKT, Luxury

AU5

Lock Control, Entry Remote Entry, Low Power

AU8

Lock Control, Entry Remote Entry, Specific Frequency

AX4

Restraint Conversion, Seat Belt, Manual, European

BAG

Parts Package Export

BGR

Plant Code Bowling Green, KY, USA

BV7

Bumper Provisions Front and Rear, Canadian Requirements

B4H

Modification, Noise Control, Export

B4P

Modification, Noise Control, Transmission Control Module

B57

Ornamentation - Extra, Deluxe

CE4

Washer Headlamp, High Pressure

CJ2

HVAC System, Air Conditioner FRT, Automatic Temperature Control, Auxiliary Temperature Control

DD0

Mirror, Outside, LH & RH, Remote Control, Electric, Heated, Light Sensitive

DD8

Mirror, Inside, R/V Light Sensitive

DL5

Decal Roadside Service Information

D24

Mirror Outside Left and Right, Remote Control, Electric, Heated Light Sensitive, Power Folding

ECM

Module - Inflatable Restraint, European Compliant

EXP

Export

FE2

Suspension System Ride, Handling

FE9

Certification Emission, Federal

F85

Chassis - Heavy Duty, Link System

GB9

Label Limited Consignment - Delete

GME

Ornamentation - Extra GM Mark of Excellence

GM8

Axle Rear - 2.56 Ratio

GW9

Axle Rear - 2.93 Ratio (DUP With GU3)

JJA

Pt Dress Subassembly - Installed (Modular Optimization Method Only)

JL9

Brake System, Power, Front and Rear Disc, Antilock, FRT & RR Wheel

J55

Brake System - Heavy Duty

KG4

Generator 150-Amp

KJ5

Protector Shipping, Shock Absorber

K05

Heater, Engine Block

LC3

Engine - Gas, 8 Cyl, 4.4L, MFI, V8, SC, Alum, DOHC, GM

LH2

Engine GA, 8 CYL, 4.6L, SFI, V8, DOHC, HO, ALUM, GM

MX0

Merchandised Transmission, Automatic O/D Provisions

MYC

Transmission - Auto 6 Spd, HMD, 6L80

M22

Transmission Automatic 5-speed, HMD, 5L50-E, Electronic, O/D

NA3

Emission System, Japan

NC1

Emission System, California LEV (Note: Not to be used after 2007 MDL YR for Domestic NAO Passenger Car & Lt Duty Trucks)

NDA

Navigation DISC Data - Not Installed

NE1

Certification Emission Geographically Restricted Registration for Vehicles Up To 14,000 LBS GVW (Use 2003 MDL YR)

NF9

Emission System General, OBD MIL Suppression

NP7

Steering Column, EEC Approved

NT3

Emission System - EEC 00

NT4

Emission System - EEC 05

NT9

Emission System Federal, Tier 2 Phase-Out

NU4

Emission System - California LEV2 Plus

N30

Steering Wheel Deluxe

N37

Steering Column Tilt, Telescoping

PD5

Wheel 18 X 8, Aluminum, Chrome

QF8

Wheel 18 X 8, Aluminum, Polished

QMS

Tire All P235/5OR18-97W BW AL3 (EMT)

QT8

Wheel 18 X 8, Aluminum, Painted

Q24

Tire All P235/45R19 FRT & P255/40R19 RR

R4W

Tire Brand All - Michelin

R4Y

Tire Brand All - Goodyear

SSG

Graphic - Switch Function Symbol

T62

Lamp System Daytime Running - Delete

T79

Fog Lamp, RR

T84

Head Lamps RH Rule of the Road, E Mark

T85

Headlamps, LH Rule of the Road, E Mark

T89

Lamps, Tail and Stop, Export

T90

Lamps, Signaling & Marker, Export

T9E

Lamp FOG, ECE Requirements

UA2

Theft Deterrent System Export Specific

UD4

Alarm, Vehicle Speed, 120 km/h

UE1

Communication System Vehicle, GPS 1

UG1

Opener Garage Door, Universal

UH3

Indicator Low Tire Pressure , VAR 2

UJ6

Indicator Low Tire Pressure

UJ9

Indicator Low Tire Pressure , VAR 1

UK1

Frequencies, Japanese

US3

Antenna Diversity

UV6

Display Head Up

U19

Speedometer - Instrument KILO and MILES Odometer

U2K

Digital Audio System S-Band

U2R

Infotainment System 001

U2S

Infotainment System 002

U2U

Infotainment System 004

U52

Instrument Cluster, Electronic

U63

Speaker System 9, Premium

VA5

Language Label - English

VB1

Language Label - Japan

VC4

Label Price/Fuel Economy, Puerto Rico & Virgin Islands

VC5

Label Shipping, Except US, US Possessions, or Japan

VDD

Vehicle Information - DVD, Customer Orientation

VD4

Provision Options - Poor Fuel Quality Characteristics

VG8

Vehicle Label, Notice to Buyer

VH5

Plate, Vehicle Identification

VJ4

Label, Export - Child Seat Location

VK3

License Plate Front - FRT Mounting Package

VL4

License Plate Front - FRT Mounting Package, EEC

VL6

License Plate Front - FRT Mounting Package, Japanese

VZ3

Label - Mercury Disposal Notification

V2F

Cooling System - Power Steering FINN

V73

Vehicle Statement - USA/Canada

V76

Hook Tow

V78

Vehicle Statement - Delete

WG8

Sales Package - Star Black

W11

Navigation Disc Data - Nav Data 1

W12

Navigation Disc Data - Nav Data 2

YF5

Certification Emission, California

Z49

Export Canadian Modifications, Mandatory Base Equipment

Z5X

Mirror Provisions, Arabic Language