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:

Special Tools
Illustration Tool Number/ Description BO-24402-A J-24402-A Glass Sealant Cold Knife Remover equalizermagnum BO-39032 J-39032 Stationary Glass Removal Tool ...

Stationary Window Waterleak Repair
Warning: If any water enters the vehicle interior up to the level of the carpet or higher and soaks the carpet, the sensing and diagnostic module (SDM) and the SDM harness connector may need to be replaced. The SDM could be activated when powered, which could cause deployment of the air ...

Synchronizers Cleaning and Inspection
Note: When servicing the synchronizers, retain them in the order that they are removed. Mark the parts to ensure the correct position for inspection and assembly. Clean all the synchronizer parts in a suitable cleaning solvent and air dry all the parts. Inspect the 1 ...