GM Service Manual Online
For 1990-2009 cars only

The production and process codes provide the description of the Regular Production Options (RPOs) used on the GTO. 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

A88

Restraint, Head

AH5

Adjuster, Seat, 8 Way, Power, Driver and Passenger

AJ7

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

AQ9

Seat, Front, Bucket, Sport

B58

Covering Front and Rear, Floor Mats

C60

Heating, Ventilation, Air Conditioning System, Manual

C95

Lamp, Interior, Front Door, Courtesy, Illuminated, Roof, Dual Reading

DL6

Mirror, Outside, Left Hand and Right Hand, Remote Control, Electric

FE2

Suspension System, Ride, Handling

GS9

Axle, Rear, 3.46:1 Ratio

G80

Limited Slip Differential

JL9

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

K30

Cruise Control, Automatic, Electronic

LS1

Engine, Gasoline, 8 Cylinder, 5.7 Liter, Sequential Fuel Injection, Aluminum, General Motors

M12

Transmission, Manual 6 Speed, Tremec, 85 mm, 2.97 First, 0.57 Sixth, Overdrive

M30

Transmission, Automatic 4 Speed, 4L60-E, Electronic

N08

Lock Control, Fuel Filler Door, Remote Control

N40

Steering, Power, Variable Ratio

NP5

Steering Wheel, Leather Wrapped, Radio Controls, Height and Reach Adjust

NW9

Traction Control, Electronic

P29

Wheel, 17 X 8, Aluminum, Sport, 5 Spoke

T82

Headlamps, Automatic On and Off

TH5

Height Adjustment, Safety Belt Front Seat

U1X

Radio, Premium, 200 Watt, Multiple Compact Disc

U77

Antenna, In Glass, Rear Window

UA6

Theft Deterrent System

VK3

Front License Plate Attachment