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:

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 ...

Front Side Door Check Link Replacement
iii! Front Side Door Check Link Replacement Callout Component Name Preliminary Procedure Remove the front side door trim panel. Refer to Front Side Door Trim Replacement. 1 Front Side Door Check ...

Park Brake and P (Park) Mechanism Check
Warning: When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. ...