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:

Front Wheel Speed Sensor Replacement
Removal Procedure Warning: Refer to Brake Dust Warning. 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. Clean the wheel speed sensor mounting area on t ...

Remote Control Door Lock, Theft Deterrent, and Remote Start Transmitter Package Installation
Installation Instructions Part Number 22880351 20997377 95198137 22901614 92233547 Kit Usage This kit adds remote start to vehicles without option BTV. The vehicle must also have an automatic transmission. Both can be verified by using the GM Vehicle Inquiry System (GMVIS) ...

Throttle Body Heater Inlet Pipe Replacement (LUW)
Throttle Body Heater Inlet Pipe Replacement Callout Component Name Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. 1 Throttle Body Heater Inlet Pipe ...