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:

Brake Pedal Position Sensor Calibration
Calibration Criteria Note: Do not apply the brake pedal during the brake pedal position sensor calibration procedure. Any movement of the brake pedal during this procedure will cause the calibration procedure to fail. If this occurs, the brake pedal position sensor calibrati ...

Front Fog Lamp Bulb Replacement
Front Fog Lamp Bulb Replacement Callout Component Name Preliminary Procedure Remove either the left front or right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement. Disconnect the electrical connector t ...

3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement (Gen 1)
3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement Callout Component Name Special Tools DT-46620 Seal Installer For equivalent regional tools, refer to Special Tools. 1 3? Reverse and ...