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 Bumper Fascia Center Support Bracket Replacement
Front Bumper Fascia Center Support Bracket Replacement Callout Component Name Preliminary Procedure Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement. 1 Front Bumper Fascia ...

Brake Rotor Assembled Lateral Runout Measurement
Special Tools CH-41013 Rotor Surfacing Kit CH-42450-A Wheel Hub Resurfacing Kit CH-45101 Hub and Wheel Runout Gauge CH-45101-100 Conical Brake Rotor Washers For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. Note: B ...

Body Control Module Replacement
Body Control Module Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower trim pad cover. Refer to Instrument Panel Lower Trim Pad Cover Replacement 1 Body C ...