Home/GMC/Savana/GMC Savana I (1996-2002)/Repair manual/Anti-Theft System/Module Information

Contents

Section: Anti-Theft System

DESCRIPTION & OPERATION (DOMESTIC)

Passlock(tm) System

Ignition Lock Cylinder & Housing

Ignition Switch

Passlock(tm) Module

Passlock(tm) Sensor

SECURITY Indicator

Vehicle/Powertrain Control Module

Changing The Passlock(tm) Components

Vehicle Immobilizer Module

Override Procedure (VIM)

Lock & Unlock Commands

COMPONENT LOCATIONS

PASSLOCK(tm) SEED & KEY

Required Equipment

Conditions

Seed & Key Procedure

PASSLOCK(tm) Auto Learn Procedure

VEHICLE IMMOBILIZER MODULE OVERRIDE PROCEDURE (EXPORT)

DIAGNOSTIC SYSTEM OPERATION CHECK - ANTI-THEFT (DOMESTIC)

Circuit Description

Diagnostic Aids

Diagnostic Procedure

Test Description

RETRIEVING DIAGNOSTIC TROUBLE CODES

Using Scan Tool (Domestic)

Using Scan Tool (Export)

CLEARING DIAGNOSTIC TROUBLE CODES

Using Scan Tool

SCAN TOOL DATA DEFINITIONS

Module Information

Data List

DIAGNOSTIC TROUBLE CODE DEFINITIONS

Conditions For Setting DTC

Conditions For Clearing The MIL/DTC

Testing Procedure

Action Taken When The DTC Sets

Intermittents & Poor Connections

Action Taken When DTC Sets

Action Take When DTC Sets

Conditions For Clearing The DTC

Conditions For Setting The DTC

Conditions For Running The DTC

Conditions For Running DTC

Conditions For Clearing DTC

SYSTEM TESTS

REMOVAL & INSTALLATION

ANTI-THEFT MODULE

Installation

ANTI-THEFT MODULE BRACKET

INSTRUMENT PANEL EXTENSION

TORQUE SPECIFICATIONS

CONNECTOR IDENTIFICATION

All sections

Module Information GMC Savana I

Anti-Theft System

Module Information

Module Part Number Range: 16XXXXXX (numeric): This information refers to the part number assigned to the Passlock(tm) Module currently in the vehicle.
Manufacturers Enable Counter Range: 0-255. Typical data value is zero. This information refers to the actual value for the Manufacturer's Enable Counter (MEC) in the Passlock(tm) Module. This information is for assembly plant use only.