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:

Communication Interface Module Bracket Replacement
Communication Interface Module Bracket Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower compartment. Refer to Instrument Panel Lower Compartment Replacement 1 ...

Throttle Body Assembly Replacement
Removal Procedure Disconnect the throttle body wiring harness connector. Remove the charge air cooler outlet air hose from the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement. Remove the 4 throttle body fasteners (3). Remo ...

Air Conditioning Clutch Assembly Replacement (LDE/LUW/LWE)
Air Conditioning Clutch Assembly Replacement Callout Component Name Preliminary Procedure Remove the air conditioning compressor. Refer to Air Conditioning Compressor Replacement. 1 Air Condit ...