Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation

The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

Door Lock and Ignition Lock Folding Key Blade Removal and Installation
Special Tools BO-51098 Flip Key Blade Fixture For equivalent region tools, refer to Special Tools. Caution: Failure to properly support the Remote Keyless Entry (RKE) transmitter assembly while replacing the key blade may cause internal damage to the transmitter assembly. ...

Drivetrain and Front Suspension Frame Skid Plate Replacement
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the mounting bolts?€‰(1) for the front suspension frame skid plate. Remove the front suspension frame skid plate?€‰(2). Installation Procedur ...

Instrument Panel Insulator Replacement
Instrument Panel Insulator Replacement Callout Component Name Preliminary Procedures Disable the SIR system. Refer to SIR Disabling and Enabling. Remove the passenger inflatable restraint instrument panel lower module ...