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

AA3

Window Tinted, Deep Tint

AG0

Adjuster, Front Seat, Power

AG1

Adjuster, Driver Seat, Power 6-Way

AG2

Adjuster, Passenger Seat, Power 6-Way

AH8

Adjuster, Passenger Seat, Power 8-Way

AJ1

Window Tinted, Deep Tint

AM6

Seat, Front Split, 3 Passenger, Center Arm Rest

AM7

Seat, Rear Folding

ANL

Sale Package Air Deflector and Fog Lamp

AN3

Seat, Front Bucket

AU0

Remote Keyless Entry

AU3

Power Door Locks

AV5

Seat, Front Bucket, High Back

A28

Window, Rear Full Width, Sliding

A31

Window Power Operated, Side

BAG

Parts Package Export

BG9

Covering Floor Rubber

BNB

Ornamentation Exterior, Unpainted

BZY

Liner PUBX

B30

Covering, Floor Carpet

B32

Covering Floor Mats, Front Auxiliary

B84

Molding B/S Exterior

B94

Ornamentation Extgerior, Emblem, Body

CF5

Sun Roof, Glass, Sliding, Electric

CKD

Vehicle Completely Knocked Down

C25

Wiper System Rear Window, Intermittent

C3A

GVW RATING 4400 LBS

C3G

GVW RATING 4450 LBS

C3T

GVW RATING 5350 LBS

C42

HVAC System Heater Deluxe, Outside Air

C49

Defogger Rear Window, Electric

C5A

GVW Rating 4900 lbs

C5C

GVW Rating 5000 lbs

C5D

GVW Rating 4600 lbs

C5T

GVW Rating 4200 lbs

C6F

GVW Rating 5150 lbs

C6I

GVW Rating 4850 lbs

C60

HVAC System Air Conditioner, Front Manual Controls

DD0

Mirrors, Outside, Remote Control, Electric, Heated, Light Sensitive

DD8

Mirrors, Inside, RV, Light Sensitive

DH6

Mirrors, Inside Front Van, Sunshade

DK2

Mirror, Outside Remote Control, Electric, Heated, Color

DK7

Console Roof Interior, Custom

DK8

Console Roof Interior, Deluxe

D07

Console Front Compartment Floor, Custom

D34

Mirror I/S Front VAN Left Hand and Right Hand, Sunshade, No Illumination

D44

Mirror, Outside, Color

D55

Console Front Compartment, Floor

D98

Stripe, Accent

EVA

Test DVT, Evaporator Emission Requirement

E55

Body Equipment End Gate

E62

Body Equipment Stepside

E63

Body Equipment Fleetside PUBX

FF4

Arm Torsion Bar Spring Adjustment (C)

FF5

Arm Torsion Bar Spring Adjustment (D)

FF6

Arm Torsion Bar Spring Adjustment (E)

FF7

Arm Torsion Bar Spring Adjustment (F)

FK2

Arm Torsion Bar Spring Adjustment (A)

FK3

Arm Torsion Bar Spring Adjustment (B)

GT4

Axle Rear 3.73 Ratio (Dup with 5X1)

GT5

Axle Rear 4.10 Ratio (Dup with GT8)

GU4

Axle Rear 3.08 Ratio

GU6

Axle Rear 3.42 Ratio

G80

Axle Positraction Limited, Slip

JC1

Brake Vacuum Power, 4-Wheel DISC, 5500 lbs

JM3

Booster Brake, 240 mm Tandem, High Flow

KA1

Heater Seat

K05

Engine Block Heater

K18

Reactor System, Air Injection, Electric

K34

Cruise Control Automatic, Electronic

K53

Fuel Sender Assembly, Robust Fuel System

K60

Generator, 100 Amp

LIN

Plant Code, LInden, NJ

LN2

Engine, Gas, 4 Cylinder, 2.2 L, MFI

LU3

Engine, Gas, 6 Cylinder, 4.3 L, MFI, V6, 90 Deg

MW2

Transmission, Manual 5-Speed, 76 mm, 3.96 1st, .83 5th, O/D

M30

Transmission, Automatic 4-Speed, 4L60E, Electronic

M50

Transmission, Manual 5-Speed, 85 mm, 3.49 1st, O/D

NC1

Emission System California LEV

NF4

Emission System Clean Fuel, Fleet

NF7

Emission System Federal NLEV

NF9

Emission System General Unleaded

NP1

Transfer Case Electric Shift Control, Two-Speed

NP5

Steering Wheel Leather Wrapped

NP6

Provisions Transfer Case, Export

NP8

Transfer Case Active, Two-Speed, Push Button Control

NT9

Emission System, Federal, Tier 2 Phase-Out

NU4

Emission System, California, Level 2 Plus

N12

Exhaust System Rear Exit

N33

Steering Column Tilt Type

N40

Steering Power, Non-Variable Ration

N60

Wheel, Aluminum, Painted

N90

Wheel 15 x 7, Aluminum Cast, 4.75 inch Bolt

N96

Wheel 16 x 8, Cast Aluminum

PA3

Wheel 15 x 7, Aluminum Styled

PH1

Wheel 15 x 7, Steel

PNV

Carrier Outside Spare Tire Mount Not Desired

P16

Carrier Rear Mounted, Spare Tire

QBF

Tire, P235/70R15 Black Wall, All Season

QBG

Tire, P235/70R15 White Wall, All Season

QCA

Tire, P205/75R15, White Wall, All Season

QCB

Tire P235/55R16, Black Wall, AL2

QCE

Tire, P205/75R15/N Black Wall, All Season

QEB

Tire P235/75R15/N White Wall, All Season

QJJ

Tire 31X10.50R15LT/C Black Wall, OOR

QLN

Tire 235/70R15-103H Black Wall, All Season

RAE

Equipment Cargo Management System

RYJ

Covering Cargo Area, Retractable

SLA

Plant Code Shreveport, LA, GM T&B

TB4

Body Equipment Lift Gate

T61

Lighting, Daytime Running

T62

Lighting, Daytime Running - Delete

UA1

Battery, High Capacity, Wet

UC2

Speedometer, Kilometer and Miles, Kilometer Odometer

UC6

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

UD4

Alarm Vehicle Speed, 120 K/H

UK3

Electronic System Steering Wheel Accessory Controls

UL2

European Frequencies

UL5

Radio - Delete

UM7

Radio, AM/FM Stereo, Seek/Scan, Clock

UN0

Radio, AM/FM, Stereo, Seek/Scan, Compact Disc, Auto Tone, Clock

UP0

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

UW3

Radio, AM/FM, Stereo, Seek/Scan, Auto Reverse Music Search Cassette, Data System, Clock

UY7

Wiring Harness Truck Trailer, HD

U16

Tachometer Engine

U73

Antenna, Fixed, Radio

U89

Wiring Harness Car Trailer

VC5

Label Shipping, except US, US Possessions, or Japan

VC7

Label Price/Fuel Economy, Guam

VF6

Bumper Rear Step

VGC

Protector Film, Paint Etch Preventive

VG8

Vehicle Buyer Notice Label

VJ4

Label, Export Child Seat Location

VKB

Handling Charge Shreveport Assembly to Tecstar, Inc. Shreveport, with final shipment through Shreveport

VKC

Handling Charge Shreveport Assembly to Centurion Vehicles, White PIgeon, MI, return to Fort Wayne for reshipment

VKE

Handling Charge Linden Assembly to Centurion Vehicles, White PIgeon, MI, return to Fort Wayne for reshipment

VPH

Vehicle Preparation, Overseas Delivery

VR4

Trailer Hitch Weight Distributing Platform

VR6

Hook Tie Down

VXS

Vehicle Complete

V10

Provision Options, Cold Climate

V37

Bumper Front and Rear, Chrome

V4A

Performance Package Chevy Xtreme

V73

Vehicle Statement, US and Canada

V78

Vehicle Statement - Delete

V87

Vehicle Statement, Gulf States Organization

V98

Factory Delivery Processing

W84

Miscellaneous Equipment for Egypt (Egypt Controlled)

W86

Miscellaneous Equipment for Venezuela (GMV Controlled)

W87

North American Parts, Sourced in Venezuela (GMV Controlled)

W99

Miscellaneous Equipment for Venezuela (GM Platform Controlled)

XBF

Tire Front P235/70R15 Black Wall

XBG

Tire Front P235/70R15 White Wall

XCA

Tire Front P205/75R15 White Wall

XCB

Tire Front P235/55R16 Black Wall

XCE

Tire Front P205/75R15/N Black Wall

XEB

Tire Front P235/75R15/N White Wall

XJJ

Tire Front 31X10.50R15LT/C Black Wall

XLN

Tire Front 235/70R15-103H Black Wall

X44

North American Parts Sourced & Shipped to Outside Supplier & Checked (GMCL Controlled)

X52

Miscellaneous Equipment for Guam, Puerto Rico, US Virgin Islands

X88

Conversion Name PLate, Chevrolet

YBF

Tire Rear P235/70R15 Black

YBG

Tire Rear P235/70R15 White

YCA

Tire Rear P205/75R15 White

YCB

Tire Rear P235/55R16 Black

YCE

Tire Rear P205/75R15/N Black

YC3

Convenience Package Decor Level #3

YC5

Connvenience Package Decor Level #5

YEB

Tire Rear P235/75R15/N White Wall

YJJ

Tire Rear 31X10.50R15LT/C Black Wall

YLN

Tire Rear 235/70R15-103H Black Wall

ZAA

Tire, Spare Compact

ZBF

Tire, Spare P235/70R15 Black Wall

ZBG

Tire, Spare P235/70R15 White Wall

ZCA

Tire, Spare P205/75R15 White Wall

ZCE

Tire, Spare P205/75R15/N Black Wall

ZEB

Tire, Spare P235/75R15/N White Wall

ZJJ

Tire, Spare 31X10.50R15LT/C Black Wall

ZLN

Tire, Spare 235/70R15-103H Black Wall

ZM5

Sales Package Underbody Shield

ZM6

Chassis Package Off-Road Suspension

ZM8

Sales Package Combination Electric Tailgate Release/Rear Window Defogger

ZQ8

Chassis Package Sport

ZR2

Chassis Package High Wider Performance, 4x4 Sport

ZR5

Appearance Package, Sport Crew

ZW7

Chassis Package Premium Smooth Ride

ZY1

Color Combination Solid

Z49

Export Canadian Modified, Mandatory Base Equipment

Z82

Trailer Provisions Special Equipment, H.D.

Z85

Chassis Package Increased Capacity

Z88

Conversion Name Plate "GMC"

1Q6

Vehicle Inspection Pre-delivery Form