GM Service Manual Online
For 1990-2009 cars only

The following table provides the description of the regular production option (RPO) codes that are available on the vehicle. The vehicle's RPO list is printed on the Service Parts Identification Label.

RPO

Description

AXM

VIN Identification - Export Special, Modified Composition

AH8

Adjuster PASS ST Power, 8 Way

AL0

Sensor Indicator Inflatable Restraint, Front Passenger/Child Presence Detector

AL2

Control Seat, Power Lumbar

AM9

Seat Rear Split Back, Folding

AQ9

Seat Front, Bucket, Luxury

AT8

Restraint Provisions Child, Rear Seat, Rear Facing

AU5

Lock Control, Entry Remote Entry, Low Power

AU8

Lock Control, Entry Remote Entry, Specific Frequency

AX4

Restraint Conversion, Seat, MAN, European

AY0

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

A26

Window European Glazing, All

A45

Memory, Seat Adjuster, Mirror, Power, Driver and Personalization

A82

Restraint, Head

BAG

Parts Package, Export

B18

Ornamentation, Interior, Deluxe

B3V

Test, Extended Water

B37

Covering, Floor Mat, Front and Rear, Auxiliary

B56

Molding Rocker, Body Color

B57

Ornamentation, Exterior, Deluxe

CFN

Roof, Sun, Glass, Sliding, Electric, Not Installed

CE4

Washer, Headlamp, High Pressure

CF5

Roof, Sun, Glass, Sliding Electric

CJ2

HVAC System, Air Conditioner Front, Auto TEMP CONT, AUX TEMP CONT

DD7

Mirror Inside Rearview, Light Sensitive, Compass

DD8

Mirror Inside Rearview, Light Sensitive

DL5

Decal, Roadside Service Information

DL7

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

DR5

Mirror Outside Left and Right, Remote Control, Electric, Heated, Manual Folding, Color

DT4

Ashtray, Cigarette Lighter

D26

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

EXP

Export

E5A

Chassis, Retuned

FCN

Frequencies, China

FE1

Suspension System, Soft Ride

FE2

Suspension System, Ride, Handling

FE4

Suspension System, Special Ride and Handling

FE5

Suspension System, Ride, Handling, Performance

FE9

Certification, Emission, Federal

FG2

Shock Absorbers, Front and Rear, Firm Ride

GT4

Axle Rear 3.73 Ratio

GU5

Axle Rear 3.23 Ratio

GU6

Axle Rear 3.42 Ratio

G80

Axle Positraction, Limited Slip

JJA

PT Dress Subassembly, Installed (Modular Optimization Method Only)

JNG

Shaft, Propeller, Painted

JE2

Brake Lining, Performance Driving

JE5

Brake System, Power, Antilock, Front and Rear Wheel

JL4

Control, Active Brake

JL9

Brake System, Power, Front and Rear Disc, Antilock, Front and Rear Wheel

J56

Brake System, Power, Front and Rear Disc, Antilock, Front and Rear Wheel, Heavy Duty

KA1

Heater, Seat, Front

KA3

Heater Engine Block, 220V

KG4

Generator 150 AMP

KG9

Generator 140 AMP

KJ1

Language Label Chinese/English

K05

Heater Engine Block

LP1

Engine Gas, 6 Cylinder, 2.8L, SFI, V6, DOHC, Aluminum, 60 Degrees, GM

LS2

Engine Gas, 8 Cylinder, 6.0L, SFI, Aluminum, HO, GM

LY7

Engine Gas, 6 Cylinder, 3.6L, SFI, V6, Aluminum, 60 Degrees, GM

MTF

Provision Fire Extinguisher Mounting

MN6

Merchandised Transmission Manual 6 Speed Provisions

MV1

Transmission Manual 6 Speed, Aisin, 85 mm, 4.17 1st, 0.79 6th, O/D

MX0

Merchandised Transmission Auto Provisions, O/D

M12

Transmission Manual 6 Speed, Tremec, 85 mm, 2.97 1st, 0.84 5th, 0.57 6th, O/D

M82

Transmission Automatic 5 Speed, HMD, 5L40-E, Electronic

NDA

Navigation Disc Data, Not Installed

NDB

Exhaust Dual, Round, Chrome, Visible

NA3

Emission System Japan

NF9

Emission System General, OBD MIL Suppression

NP5

Steering Wheel Leather Wrapped

NT4

Emission System EEC 05

NT7

Emission System Federal, TIER 2

NU1

Emission System California, LEV2

N05

Lock Control Fuel Filler Cap

N30

Steering Wheel Deluxe

N34

Steering Wheel Leather, 3 Spokes

N81

Tire Spare Full Size

N87

Wheel 18 x 8, Aluminum

N93

Wheel 17 x 7.5, Aluminum

PB4

Lock Control Wheel

PF4

Wheel 16 x 7, Aluminum

PX0

Wheel 16 x 7, Aluminum, Styled

P32

Wheel 18 x 8.5 Aluminum, Painted

P40

Wheel - 18 x 8, Aluminum, Sport

QGQ

Tire All P225/50R18-94W BW TL HW4

QJL

Tire All P245/45R18-96V BW R/ST TL RF3

QKR

Tire All P245/45R18-96W BW R/PE ST TL AL3

QOH

Tire All 225/55R16-95W BW R/ST TL HWY

QWJ

Tire All P225/55R16-94H BW R/PE ST TL AL3

QWW

Tire All P225/50R17-93W BW R/PE ST TL AL3

QF7

Wheel 17 x 7.5, Aluminum, Deluxe

R1Y

Merchandised Package CTS Sport

TL4

Grille Painted

TR7

Headlamps Control Leveling System, Automatic

TT6

Headlamps High Intensity Discharge

TT7

Headlamps High Intensity Discharge, Left Rule of Road

TT8

Headlamps High Intensity Discharge, Right Rule of Road

TY6

Equipment Package, Bad Road

T43

Spoiler Rear

T62

Lamp System Daytime Running - Delete

T65

Lamp System Daytime Running, Export

T79

Lamp Fog, RR

T84

Headlamps Right Rule of the Road, E Mark

T90

Lamp Signaling and Marker, Export

UAV

Infotainment System 005.1

UA2

Theft Deterrent System Export Specific

UA6

Theft Deterrent System

UC2

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

UD4

Alarm Vehicle Speed, 120 km/h

UE1

Communication System Vehicle, GPS 1

UG1

Garage Door Opener Universal

UJ6

Indicator Low Tire Pressure

UJ9

Indicator Low Tire Pressure, Var 1

UK1

Frequencies Japanese

U19

Speedometer Instrument, Kilometers and Miles, Kilometer Odometer

U2J

Digital Audio System S-Band, Not Installed

U2K

Digital Audio System S-Band

U2R

Infotainment System 001

U2S

Infotainment System 002

U2X

Infotainment System 007

U2Y

Infotainment System 008

U30

Cluster Instrument, TACH, Clock

U57

Speaker System 8, Dual F/D Pillar, Dual FRT DR MTD, Dual RR DR MTD, Subwoof PKG Shelf, I/P CTR, Amplif, Bose

U66

Speaker System 7, Custom

VBX

Language Label Arabic

VGE

Fascia Rear, Custom, Body Color

VLF

License Plate Front, Front Mounting Package, China

VPM

Modification, Noise Control, Mexico

VA7

Language Label French

VB1

Label Shipping, Japan

VC4

Label Price/Fuel Economy, Puerto Rico and Virgin Islands

VC5

Label Shipping, Except US, US Possessions, or Japan

VG1

Protector Underhood Compound, Corrosion Preventive, Water Based, Clear

VG9

Protector Wax, Exterior Body

VH5

Plate Vehicle Identification

VJ2

Label, Export Headlamp Adjust

VL2

Label, Spare Caution, Compact Spare

VL4

License Plate Front, Front Mounting Package, EEC

VL6

License Plate Front, Front Mounting Package, Japanese

VP6

Noise Control

VR5

Provisions Slow Vehicle Warning Triangle Mounting

VZ3

Label Mercury Disposal Notification

V4W

Model Conversions GMX320, CTS HFV6

V73

Vehicle Statement USA/Canada

V76

Hook Tow

V78

Vehicle Statement - Delete

V87

Vehicle Statement Gulf States Organization

V92

Trailer Provisions

WD6

Window RR, Antenna Specific

W11

Navigation Disc Data, Nav Data 1

W12

Navigation Disc Data, Nav Data 2

XA7

Washer Nozzles, Heated, Windshield

YF5

Certification Emission, California

Y40

Sales Package Cadillac, Luxury Level 001

Y41

Sales Package Cadillac, Luxury Level 002

Y42

Sales Package Cadillac, Performance 001

Y43

Sales Package Cadillac, Performance 002

Y47

Sales Package Cadillac, International Luxury 001

Y48

Sales Package Cadillac, International Luxury 002

Y49

Sales Package Cadillac, International Performance 001

Y50

Sales Package Cadillac, International Performance 002

Z49

Export Canadian Modification Mandatory Base Equipment

Z5X

Mirror Provisions Arabic Language

Z5Y

Mirror Provisions O/S Etched Warning

1SA

Package Option 01

1SB

Package Option 02

1SC

Package Option 03

1SJ

Package Option 09

1SK

Package Option 10

1SL

Package Option 11

1SS

Package Option 17

1ST

Package Option 18