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:

Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), passenger sensing system, the pretensioners (if equipped), the airbag modules, the wiring, and the crash sensing and diagnostic module. For more information on the airbag ...

Liftgate Strut Replacement
Liftgate Strut Replacement Callout Component Name 1 Liftgate Strut Warning: When a lift gate hold open device is being removed or installed, provide alternate support to avoid the possibility of damage ...

Drive Belt Tensioner Replacement
Special Tools EN-955 Locking Pin EN-48488 Holding Wrench For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the right front wheelhouse liner extension. Refer to Front Wheelhouse Liner Inner Front Extension Replacement Install the engine su ...