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:

Liftgate Window Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools Removal Procedure Warning: Refer to Cracked Window Warning. Note ...

Rear Side Door Adjustment (4 Door Notch Back 69)
Rear Side Door Adjustment Callout Component Name 1 Rear Side Door Caution: Refer to Fastener Caution. Procedure Loosen the rear door hinge bolt?€‰(Qty:?€‰4) to adjust the rear door. A ...

Brake Pressure Modulator Valve Replacement
Removal Procedure Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Caution: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch ...