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 and Non-Folding Key Cutting
High Security keys are available from the service parts system. Obtain the key code from the security card or from the GM Dealer World, Parts, Key Code Look Up system. If you have the key code and access to a Triax-E., BD Laser or other code key cutting machine from the GM Dealer Equipment C ...

Front Side Door Weatherstrip Replacement - Door Side
Front Side Door Weatherstrip Replacement - Door Side Callout Component Name 1 Front Side Door Weatherstrip Upper Retainer Procedure Open the front side door to the fully open position. Remove the front side do ...

Rear Window Defogger Description and Operation
Rear Window Defogger System Components The rear window defogger system consist of the following components: The HVAC control module The body control module (BCM) The rear defogger relay The rear window grid Driver outside rearview mirror Passenger outside rearview mirro ...