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. ...

Theft Deterrent Module Replacement
Theft Deterrent Module Replacement Callout Component Name Preliminary Procedure Remove the steering column upper trim cover. Refer to Steering Column Upper Trim Cover Replacement. Remove the steering column lower trim ...

Rear Side Door Window Switch Replacement
Rear Side Door Window Switch Replacement Callout Component Name Preliminary Procedure Remove the rear side door window switch bezel. Refer to Rear Side Door Window Switch Bezel Replacement. 1 Re ...