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:

Drivetrain and Front Suspension Frame Skid Plate Replacement
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the mounting bolts (1) for the front suspension frame skid plate. Remove the front suspension frame skid plate (2). Installation Procedure ...

Charge Air Cooler Replacement
Charge Air Cooler Replacement Callout Component Name Preliminary Procedures Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and properly support the vehicle. Refe ...

Transmission Fluid Pump Disassemble (6T30)
Table 1: Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble Table 2: Fluid Pump Disassemble Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble ...