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 vehicle. 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

AJ1

Window Tinted, Deep Tint All Except W/S and Doors

AJ7

Inflatable Restraint System Seat, Driver and Passenger, Front and Side

AK5

Inflatable Restraint System Seat, Driver and Passenger

AL6

Restraint Cargo

AM7

Seat, Rear Folding

AM9

Seat Rear Split Back, Folding

AP9

Net Convenience

AR9

Seat Front Bucket, Deluxe

ATZ

Rear Seat Not Installed

AU0

Lock Control Remote Entry

AU5

Lock Control, Entry Remote Entry, Low Power

AU8

Lock Control, Entry Remote Entry, Specific Frequency

AX4

Restraint Conversion Seat, Manual, European

A26

All Windows, European Glazing

A31

All Doors, Power Operated Windows

A50

Front Bucket Seat

BAE

Equipment Security System, Immobilization

BAG

Parts Package Export

BNB

Unpainted Exterior Ornamentation

BVE

Side Steps Runningboard

B30

Covering Floor Carpet

B32

Covering Front Floor Mats, Auxiliary

B33

Covering Rear Floor Mats, Auxiliary

B42

Covering Floor Mat, Luggage Compartment, Fitted

B86

Molding B/S Color

B94

Ornamentation Exterior Emblem, Body, Variation 1

CE1

Wiper System Windshield, Pulse, Moisture Sensitive

CE4

Washer Headlamp, High Pressure

CF5

Electrical Sliding Glass Sun Roof

CJ2

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

CJ3

HVAC System Air Conditioner Front, Manual Temperature Control, Auxiliary Temperature Control

CTF

Fuel Tank, Extra Capacity

C4D

GVW Rating 5, 550 lbs

C49

Defogger RR Window, Electric

C5N

GVW Rating 5,750 lbs

C7H

GVW Rating 6, 400 lbs (2, 900 kg)

DD7

Mirror I/S R/V, Light Sensitive Compass

DF5

Mirror I/S R/V Light Sensitive Compass, O/S Temperature Display

DH2

Mirror I/S Front Van Left and Right, Illuminated, with Dual Sunshade

DK2

Mirror, O/S Left and Right Remote Control, Electric, Heated, Color

DK7

Console Roof Interior, Custom

DK9

Mirror O/S Left and Right, Remote Control, Electric, Heated, Turn Signal Indicator, Color

DP1

Mirror Provisions Convex Glass

DR1

Mirror, O/S Left and Right, Manual Control, Color

D25

Mirror O/S Left and Right, Remote Control, Electric, Heated, Light Sensitive, Manual Folding, Turn Signal Indicator, Color

EC0

Provisions, European Compliant HVAC Controls

GT4

Axle Rear 3.73 Ratio

GT5

Axle Rear 4.10 Ratio (Dup with GT8)

GU6

Axle Rear 3.42 Ratio

G67

Level Control Auto, Air

G80

Axle Positraction Limited, Slip

JE1

Brake System Europe

JF8

Brake Vac Power, 4 Whl Disc

KA1

Heater Seat, Front

KG3

Generator 145 Amp

KG4

Generator 150 Amp

K05

Heater Engine Block

K34

Cruise Control Automatic, Electronic

LL8

Engine, Gas, 6 Cyl, 4.2 L, MFI, DOHC, L6, Aluminum, GM

LM4

Engine, Gas, 8 Cyl, 5.3 L, SFI, Aluminum, GM

M30

Transmission, Auto 4 Speed, Hmd, 4L60-E, Electronic

NA3

Emission System, Japan

NC1

Emission System California, LEV

NF2

Emission System Federal, Tier 1

NF7

Emission System Federal, NLEV

NF9

Emission System General, Unleaded

NN8

Emission Override Unleaded Fuel, Export

NP4

Transfer Case Active Single Speed All Wheel Drive (AWD)

NP5

Steering Wheel Leather Wrapped

NP7

Steer Column EEC Approved

NP8

Transfer Case Active All Wheel Drive (AWD) 2 Speed

NT3

Emission System EEC 00

NW7

Traction Control Powertrain Management Only

N40

Steering Power, Non-Variable Ratio

N74

Wheel 17 x 7, Aluminum, Sport

N75

Wheel 17 x 7, Aluminum, Custom

N77

Wheel 17 x 7, Aluminum, Deluxe

N79

Wheel Spare Full Size, Steel

N80

Wheel 17 x 7, Aluminum, Premium

QC3

Wheel 16 x 7, Aluminum, Special

QC4

Wheel 16 x 7, Aluminum, Custom

QRE

Tire All P245/70R16-106S, BW PE/ST TL ALS

QRF

Tire All P245/70R16-106S, WOL PE/ST TL ALS

QRH

Tire All 245/65R17-107H, BW PE/ST TL HWY

QRK

Tire All P255/60R17-105S BW PE/ST TL AL2

QTE

Tire All P245/65R17-105S BW PE/ST TL OOR

QTF

Tire All 215/70R16-100H, BW PE/ST TL HWY

QTM

Tire All P245/65R17-105S BW PE/ST TL ALS

QTR

Tire All P245/65R17-105S WOL PE/ST TL OOR

Q4B

GVW Rating 6, 200 lbs

RYJ

Covering Cargo Area, Retractable

STW

Steering Wheel Leather Wrapped with Redundant Controls

TB4

Body Equipment Lift Gate (Manual)

TR6

Headlamps Control Leveling System, Manual

T61

Lamp System Daytime Running

T62

Daytime Running Lamp System - Delete

T78

Headlamps Control - Delete

T79

Rear Fog Lamp

T84

Headlamps Right Rule of the Road, E Mark

T85

Headlamps Left Rule of the Road, E Mark

T89

Export Tail and Stop Lamp

T96

Lamp Fog, Front

UA2

Theft Deterrent System, Export Specific

UA6

Theft Deterrent System

UC2

Speedometer Instrument, Kilometer and Miles, Kilometer Odometer, Positive Bias

UC6

Radio AM/FM Stereo, Seek/Scan, RDS, Multiple Compact Disc, Auto Tone Control, Clock, ETR

UD4

Alarm Vehicle Speed 120 K/H

UE1

Communication System Vehicle, G.P.S. 1

UG1

Opener Garage Door, Universal

UK1

Japanese Frequencies

UK6

Radio Control, Rear Seat and Earphone Jacks

UL2

European Frequencies

UN0

Radio AM/FM Stereo, Seek/Scan, CD, Auto Tone, Clock, ETR

UPC

Recorder Convenience, Recall

UPO

Radio AM/FM Stereo, Seek/Scan, Auto Reverse Music Search Cass, CD, Auto Tone, Clock, ETR

UQA

Speaker System Premium Performance Enhanced Audio

UVH

Equipment Driver Information Display Language (Portuguese)

U19

Speedometer Instrument, Kilometers and Miles, Kilometer Odometer

U42

Entertainment, Rear Seat Package

U68

Display Driver Information Center

U73

Antenna Fixed, Radio

VBW

Language Label, Japanese

VBX

Language Label, Arabic

VB1

Label Shipping, Japan

VC4

Label Price/Fuel Economy, Puerto Rico

VC5

Label Shipping, Except US, US Possessions, or Japan

VC7

Label Price/Fuel Economy, Guam

VJ1

License Plate Rear Mounting Package, Japanese

VJ3

Label, Plate ECE Approval and Vehicle Identification

VJ4

Label, Export Child Seat Location

VL4

Front License Plate, Front Mounting Package, EEC

VPH

Vehicle Preparation Overseas Delivery

VR6

Hook Tie-Down Shipping

V40

Provision Options Ultra Seating Package - Power Adjuster, Recliner, Lumbar

V73

Vehicle Statement USA/Canada

V76

Hook Tow

V78

Vehicle Statement - Delete

V87

Vehicle Statement, Gulf States Organization

WX7

Wiring Provisions

X88

Market Brand, Chevrolet

YC3

Convenience Package Decor Level #3

YC5

Convenience Package Decor Level #5

YC6

Convenience Package Decor Level #6

YE5

Convenience Package Deluxe Comfort, and Decor Level #5

Y92

Merchandised Package, Special Edition

ZM5

Sales Package Underbody Shield

ZW7

Chassis Package Premium Smooth Ride

ZY1

Color Combination Solid

ZY7

Color Combination, Two-Tone, Lower Accent

Z49

Export Canadian Modified, Mandatory Base Equipment

Z5X

Mirror Provisions, Arabic Language

Z70

Market Brand, Oldsmobile

Z88

Market Brand, GMC

Z89

Market Brand, Isuzu