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:

Front Wheelhouse Liner Replacement (Front)
Front Wheelhouse Liner Replacement Callout Component Name Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. 1 Front Wheelhouse Liner Scr ...

Blower Motor Replacement
Removal Procedure — Production Blower Motor Remove the passenger side instrument panel insulator. Refer to Instrument Panel Insulator Replacement. Remove the passenger side inflatable restraint instrument panel lower module. Refer to Instrument Panel Lower Airbag Replaceme ...

Transmission Replacement
Removal Procedure Remove the battery and battery tray. Refer to Battery Tray Replacement. Disconnect the transmission range selector lever cable terminal (1) from the transmission manual pin. Press the locking tab forward in order to release the tran ...