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:

Drum Brake Adjusting Hardware Inspection
Warning: Refer to Brake Dust Warning. Visually inspect the adjuster actuator spring (1) for the following conditions: Excessive stretching Excessive bending Excessive corrosion Broken Missing If any of the conditions listed were found, the adjuster actu ...

Drive Range, First Gear Engine Braking (Gen 2)
Note: Some models of the 6T30/40/45/50 automatic transmission are equipped with an electric auxiliary fluid pump for use in hybrid vehicles (BAS+). Hybrid vehicles do not require internal combustion engine (ICE) operation at all times. After a successful engine start, the hybrid powertrain con ...

Front Wheel Drive Shaft Seal Replacement - Torque Converter Housing Side
Front Wheel Drive Shaft Seal Replacement - Torque Converter Housing Side Callout Component Name 1 Front Wheel Drive Shaft Oil Seal Assembly Special Tools DT-23129 Universal Seal Remover DT-47790 Seal Insta ...