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

AP9

Restraint, Cargo Net

AU0

Remote Keyless Entry

AU3

Power Door Locks

AU5

Lock Control Remote Entry, Specific Frequency

AU8

Lock Control Remote Entry, Specific Frequency

AV5

Seat, Front Bucket, High Back

AX4

Restraint Conversion Seat, Manual, European

A26

Window, European Glazing, All

A28

Window, Rear Full Width, Sliding

A31

Window Power Operated, Side

A52

Seat, Front Bench

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

CE4

Washer, Headlamp, High Pressure

CF5

Sun Roof, Glass, Sliding, Electric

CKD

Vehicle Completely Knocked Down

CTB

Appearance Package Chevy Trailblazer Sport

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

C68

HVAC System Air Conditioner, Front Manual Controls, Electronic

DC4

Mirror, Inside Rearview Tilt, Dual Reading Lamps

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

DR4

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

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

D96

Stripe, Body Side Upper

EVA

Test DVT, Evaporator Emission Requirement

E24

Door, Side Cargo, Hinged

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

G67

Level Control Auto, Air

G80

Axle Positraction Limited, Slip

JC1

Brake Vacuum Power, 4-Wheel DISC, 5500 lbs

JDE

Appearance Package Jimmy "Diamond Edition"

JM3

Booster Brake, 240 mm Tandem, High Flow

JNG

Shaft Propeller, Painted

KA1

Heater Seat

K05

Engine Block Heater

K18

Reactor System, Air Injection, Electric

K34

Cruise Control Automatic, Electronic

K42

Air Cleaner Off-Road Package

K53

Fuel Sender Assembly, Robust Fuel System

K60

Generator, 100 Amp

L35

Engine, Gas, 6 Cylinder, 4.3 L, V6

L43

Engine, Flexible Fuel, 4 Cylinder, 2.2 L, MFI

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

NB8

Emission Override California System

NC1

Emission System California LEV

NC7

Emission Override Federal System

NF4

Emission System Clean Fuel, Fleet

NF7

Emission System Federal NLEV

NM8

Leaded Fuel, System Compatible

NN8

Emission Override Unleaded Fuel, Export

NP1

Transfer Case Electric Shift Control, Two-Speed

NP4

Transfer Case Active

NP5

Steering Wheel Leather Wrapped

NP6

Provisions Transfer Case, Export

NP8

Transfer Case Active, Two-Speed, Push Button Control

NT3

Emission System EEC 00

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

PF2

Wheel 15 x 7, Aluminum

PH1

Wheel 15 x 7, Steel

PNV

Carrier Outside Spare Tire Mount Not Desired

PW1

Wheel 15 x 7, Aluminum, Diamond Finish

P01

Trim Discs Wheel, Var 1

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

QES

Tire P235/75R15-105S, Black Wall, All Season

QJJ

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

QLN

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

QQX

Tire All P235/60R16 BW R/PE ST TL AL3

RSA

Restraint Front Seat, Auto, Passive

RYJ

Covering Cargo Area, Retractable

TB4

Body Equipment Lift Gate

TB7

Body Equipment Lift Gate (Manual) Aluminum

TR6

Headlamps Control Leveling System, Manual

TT6

Headlamps High Intensity Discharge

TU6

Headlamps Control Flash to Pass

T1J

Equipment Export Material Regulatory

T37

Fog Lamp, Deluxe

T61

Lighting, Daytime Running

T84

Headlamps, Right, Rule of Road, E Mark Rectangular

T85

Headlamps, Left, Rule of Road, E Mark Rectangular

T89

Lamp, Tail and Stop, Export

T90

Lamp, Signaling and Marker, Export

UA1

Battery, High Capacity, Wet

UC2

Speedometer, Kilometer and Miles, Kilometer Odometer

UC4

Speedometer, Kilometer and Miles, Miles Odometer

UD4

Alarm Vehicle Speed, 120 K/H

UE1

Communication System Vehicle, GPS 1

UK3

Electronic System Steering Wheel Accessory Controls

UK6

Radio Control Rear Seat and Earphone Jacks

UL0

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

UL2

European Frequencies

UM6

Radio, AM/FM Stereo, Seek/Scan, Auto Reverse Cassette, Clock

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

UP8

Radio Provisions for Stereo Instrumentation

UQ3

Speaker System Performance Enhanced Audio

UW3

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

UY7

Wiring Harness Truck Trailer, HD

U1F

Radio, AM/FM, Stereo, Seek/Scan, Auto Reverse Music Search Cassette, Compact Disc, HPS, Clock

U1Z

Player Multiple Compact Disc, Passenger Compartment

U16

Tachometer Engine

U19

Metric Scale Instrument Cluster

U73

Antenna, Fixed, Radio

U75

Antenna, Power, Radio

U89

Wiring Harness Car Trailer

VF6

Bumper Rear Step

VF7

Bumper Rear Step, Delete

VGC

Protector Film, Paint Etch Preventive

VK3

License Plate Front, Front Mounting Package

VL4

License Plate Front Mounting Package

VL6

License Plate Front, Front Mounting Package, Japanese

VP6

Noise Control

VR4

Trailer Hitch Weight Distributing Platform

VR6

Hook Tie Down

V21

Guard Radiator, Grille, Painted

V37

Bumper Front and Rear, Chrome

V4A

Performance Package Chevy Xtreme

V54

Luggage Carrier Roof, Painted

WX7

Wiring Provisions

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

XES

Tire Front P235/75R15-105S Black Wall

XJJ

Tire Front 31X10.50R15LT/C Black Wall

XLN

Tire Front 235/70R15-103H Black Wall

XQX

Tire Front P235/60R16-99H BW R/PE ST TL AL3

YBF

Tire Rear P235/70R15 Black

YBG

Tire Rear P235/70R15 White

YB5

Buildout C.O.

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

YC6

Convenience Package Decor Level #6

YC7

Convenience Package Decor Level #7

YD3

Axle (Base Equip) For Scheduling GVW Plate

YD5

Spring Front Base Equipment

YD6

Spring Rear, Base Equipment

YEB

Tire Rear P235/75R15/N White Wall

YES

Tire Rear P235/75R15-105S Black Wall

YE2

Convenience Package Decor Level #2, Low Trim

YE3

Convenience Package Decor Level #3, High Trim

YF5

Certification Emission, California

YJJ

Tire Rear 31X10.50R15LT/C Black Wall

YLN

Tire Rear 235/70R15-103H Black Wall

YQX

Tire Rear P235/60R16-99H BW R/PE ST TL AL3

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

ZES

Tire, Spare P235/75R15-105S Black Wall

ZJJ

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

ZLN

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

ZL1

Noise Control with less than 8000 LB GVW

ZM5

Sales Package Underbody Shield

ZM6

Chassis Package Off-Road Suspension

ZM8

Sales Package Combination Electric Tailgate Release/Rear Window Defogger

ZQ2

Sales Package Driver Convenience

ZQ3

Sales Package Driver Convenience II

ZQ6

Sales Package Drive Convenience III

ZQ8

Chassis Package Sport

ZR2

Chassis Package High Wider Performance, 4x4 Sport

ZW7

Chassis Package Premium Smooth Ride

ZX8

GVW Override

Z70

Conversion Name Plate Oldsmobile

Z82

Trailer Provisions Special Equipment, H.D.

Z83

Chassis Package Solid Smooth Ride

Z85

Chassis Package Increased Capacity

Z87

Chassi Package Low Rider Performance

Z88

Conversion Name Plate "GMC"

5P2

Wheel, Aluminum, Special

8A0

Lock Spare Tire, Keyed Two-Piece Hoist Shaft

8P2

Window Tinted Deep, All Except W/S and Doors (SEO)

8U4

Heater Engine Block (SEO)

9J6

Steering Column Tilt Type (SEO)