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

AC9

Adjuster Seat, Auto, Contouring Control

AJ7

Restraint System FRT Seat, Inflatable, Driver and Passenger, FRT & Side

AK5

Restraint System FRT Seat, Inflatable, Driver and Passenger

AL2

Control Seat, Power Lumbar

AL5

Sensor Indicator Inflatable Restraint, FRT Pass Presence Detector

AM5

Seat FRT Split, 3 Pass, 6 Way ADJ, 2 Way Lumbar

AM6

Seat FRT Split, 3 Pass, CTR Arm Rest

AN3

Seat FRT BKT, Driv, Pass, Elec Body Supt Cont

AN4

Restraint Provisions Child

AQ5

Seat FRT BKT, Pass, Driver, 6 Way, Recl

AQ9

Seat FRT BKT, Pass, Driver, Recl

AR9

Seat FRT BKT, European Style, Pass & Driver Recl

ATZ

Seat RR Delete

AU5

Lock Control Remote Entry, Low Power

AU8

Lock Control Remote Entry, Specific Frequency

AX4

Restraint System Seat, Man, European

A45

Memory Seat Adjuster, Mirror, Power, Driver & Enhanced Memory Personalization

A66

Seat FRT Split, 2 Pass, 6 Way ADJ, Recl

A75

Seat Cushion Back FRT, HD

BA0

Ornamentation Extr, Door, Nameplate

BNN

Compartment Storage, Cargo Area

BV2

Ornamentation Extr RR Compt Lid

BY1

Ornamentation Extr Emblem, Body

B19

Ornamentation Intr, Custom

B57

Ornamentation Extr Deluxe

B9Q

Model Conversion Hearse

B90

Ornamentation Extr Mldg, Side Window Reveal

CE1

Wiper System Windshield, Pulse, Moisture Sensitive

CF5

Sunroof, Glass, Sliding, Elec

CJ2

HVAC System Air Conditioning FRT, Auto Temp Cont, Aux Temp Cont

CR0

Lamp Intr, Eng Compt, Courtesy - Delete

C01

Ornamentation Extr Emblem, Body

DA1

Arm Rest RR Seat, Storage

DC3

Mirror O/S LH & RH, Rem Cont, Elec, Defog, Tinted Glass, Manual Foldaway, Color

DC5

Mirror I/S RR Headlining, Illum

DD0

Mirror O/S LH & RH, Rem Cont, Elec, Defog, LT Sensitive

DD7

Mirror I/S R/V LT Sensitive, Compass

DD8

Mirror I/S R/V Light Sensitive,

DH4

Mirror O/S LH & RH, Rem Cont, Elec, Dual Man Folding, Heated LT Sensitive, Convex Glass, Painted

DK2

Mirror O/S LH & RH, Rem Cont, Elec, Defog, Color

DR2

Mirror O/S LH & RH, Rem Cont, Elec, Dual Man Folding, Heated LT Sensitive, Color

DR4

Mirror O/S LH & RH, Rem Cont, Elec, Dual PWR Folding, Heated LT Sensitive, Color

DR5

Mirror O/S LH & RH, Rem Cont, Elec, Dual Man Folding, Heated Color

DT4

Ashtray Cigarette Lighter

D21

Sunshade Windshield

D55

Console FRT Compt, Floor

FE1

Suspension System Soft Ride

FE3

Suspension System Sport

FE7

Suspension System FRT & RR, HD

FV3

Ratio Transaxle Final Drive 3.11

FV4

Ratio Transaxle Final Drive 3.71

F45

Chassis Continuous Valve Real Time Damping

JL4

Control Active Brake

JL9

Brake System Pwr, FRT & RR Disc, Antilock, FRT & RR WHL

J55

Brake System Heavy Duty

KA1

Heater Seat

KG4

Generator 150 Amp

KG9

Generator 140 Amp

K05

Heater Eng Block

K29

Module Powertrain Control

K98

Generator 140 Amp, 57MM Pulley

LD8

Engine Gas, 8 Cyl, 4.6L, MFI, V8, DOHC

LHD

Vehicle Drive Lefthand Drive

L37

Engine Gas, 8 Cyl, 4.6L, MFI, V8, DOHC, H0

MH1

Transmission Auto 4 Spd, Thm 4T80-E Electronic Conv Clutch

NP5

Steering Wheel Leather Wrapped

NP7

Steering Column EEC Approved

NV8

Steering Power, Magnetic Speed, Variable Assist

N30

Steering Wheel Deluxe

N37

Steering Column Tilt, Telescoping

N66

Wheel Styled, Aluminum

N81

Tires Spare, Full size

N98

Wheel Chrome, Var 2

N99

Wheel Heavy Duty

PF4

Wheel 16 x 7, Aluminum

PF9

Wheel 16 x 7, Aluminum Cast

PH2

Wheel 16 x 7, Aluminum, Chrome

PX2

Wheel 16 x 7, Aluminum, Chrome, Styled

P05

Wheel Chrome, Var 1

QA7

Wheel 16 x 7.5, Aluminum

QB9

Wheel 16 x 7, Aluminum, Chrome, Deluxe

QC2

Wheel 16 x 7, Aluminum, Deluxe

QC3

Wheel 16 x 7, Aluminum, Special

QC4

Wheel 16 x 7, Aluminum, Custom

QC6

Wheel 16 x 7, Aluminum, Chrome, Custom

QC8

Wheel 16 x 7, Aluminum, Chrome, Special

QC9

Wheel 16 x 7, Aluminum, Sport

QDA

Tire All P235/60R16-99S BW, ALS

QDC

Tire All P235/60ZR16 BW, AL3

QD0

Tire All P235/60ZR16 BW, HW4

QD5

Wheel Spare Compact, Aluminum

QPX

Tire All P225/60R16 BW ALS 97S

QPY

Tire All P225/60R16 WS2 ALS 97S

QQX

Tire All P235/60R16 BW AL3 99V

QSP

Tire All P235/60R16-104S XNW ALS

QVF

Tire All P225/60ZR16/N BL AL3

QVG

Tire All P225/60R16/N BL AL3 97H

RHD

Vehicle Drive Right-hand Drive

R1X

Noise Control Air Cleaner, ECM, EXH Inter Pipe

TL4

Grille Painted

TT6

Headlamps High Intensity Discharge

T1A

Theft Deterrent Sys Export Specific

T2X

Ornamentation Intr, Door Trim, Export

T62

Lighting Daytime Running - Delete

T65

Lighting Daytime Running, Export

T72

Headlamps LH Rule of the Road, Export

T79

Lamp Fog, RR

T81

Lamp Tail and Stop Deluxe

T84

Headlamps RH Rule of the Road, E Mark Rectangular

T85

Headlamps LH Rule of the Road, E Mark Rectangular

T89

Lamp Tail & Stop, Export

T90

Lamp Signaling & Marker, Export

T91

Lamp Cornering - Delete

T96

Lamp Fog, FRT

UA6

Theft Deterrent Sys

UD4

Alarm Vehicle Speed, Universal

UG1

Opener Garage Door, Universal

UL6

Radio AM Stereo/FM Stereo, WX, Seek/Scan, Auto Rev Music Search Cass, RDS, CD, Clock, ETR

UL7

Radio AM Stereo/FM Stereo, DSP, Clock, ETR

UM4

Radio AM Stereo/FM Stereo, Seek/Scan, Auto Rev Music Search Cass, MCD, Clock, ETR

UM5

Radio AM Stereo/FM Stereo, DSP, WX, RDS, Seek/Scan, Auto Rev Music Search Cass, CD, Clock, ETR

UM9

Radio AM Stereo/FM Stereo, DSP, WX, HPS, RDS, Seek/Scan, Auto Rev Music Search Cass, MCD, Clock, ETR

UQ4

Speaker System Bose, 4

UQ6

Speaker System 11, Quad FRT DR MTD, Quad RR DR MTD, Dual RR Package Shelf, Center I/P, Amplifier

UTO

Radio AM Stereo/FM Stereo, Seek/Scan, Auto Rev Music Search Cass, HPS, Clock, ETR

UV7

Antenna Windshield, RR Window, Radio

UW6

Speaker System 6, Dual F/D Tweet & Woof, Dual Ext Range Shelf

UX8

Speaker System 8, Dual F/D MTD, Dual RR DRS, Dual Mirror Patch CTR I/P, Pkg Shelf, Amplifier

UX9

Speaker System 8, Bose, Dual F/D MTD, Dual RR DR, Triple I/P Pkg Shelf, Amplifier

UY4

Navigation System Display

UY9

Cluster Kilo & Miles, Mechanical Display

U02

Cluster Inst, Kilo & Miles, Digital Speedometer Display

U03

Horn Noise Regulation

U09

Horn Four Note

U1L

Radio AM Stereo/FM Stereo, Seek/Scan, Auto Rev Music Search Cass, Clock, ETR

U1R

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

U1S

Player Multiple Compact Disc

U18

Speedometer Inst, Kilo

U19

Speedometer Inst, Kilo & Miles, Kilo Odometer

U75

Antenna Power, Radio

VJ8

Holder Coin

VK3

License Plate Front FRT Mounting Pkg

VL2

Label, Spare Caution, Compact Spare

VL3

Label Mirror O/S Warning

V03

Cooling System Extra Capacity

V4K

Processing Heated Rear Seat

V4L

Equipment Rear Seat Conversion to 40/60 Left, Export

V4U

Equipment Coachbuilder, Not to Exceed 7000 lbs.

V92

Trailer Provisions

WC3

Appearance Package Deville Commercial Chassis

YP7

Merchandised PKG Cadillac Deville D'Elegance

YP8

Merchandised PKG Deville Concours

ZAB

Tire Spare T135/70R16-100M BW Compact Spare