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:

Lower Control Arm Replacement
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. Remove the front wheelhouse rear liner. Refer to Front Wheelhouse Liner Replacement. Re ...

Air Conditioning Compressor and Condenser Hose Replacement (LUW)
Removal Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Disconnect the A/C refrigerant pressure sensor electrical connector. Remove air conditioning compressor and condenser hose nut (1). Remove air conditioning compressor ...

Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Removal (6T30)
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Removal Callout Component Name 1 Front Differential Carrier Baffle Bolts M6 x 25 (Qty: 2) ...