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:

Steering Linkage Outer Tie Rod Replacement
Steering Linkage Outer Tie Rod Replacement Callout Component Name Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front tire and wheel assembly. Refer to Tire and ...

Engine Coolant Thermostat Replacement (LUW)
Removal Procedure Warning: Refer to Battery Disconnect Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Drain the coolant. Refer to Cooling System Draining and Filling. Disconnect the en ...

Fuel Tank Filler Pipe Replacement
Removal Procedure Remove the bracket fastener (1). Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the fuel tank filler pipe bracket fastener (1). Disconnect the vent hose (2). Refer to Plastic Collar Quick C ...