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:

Radio Front Side Door Speaker Replacement
Radio Front Side Door Speaker Replacement Callout Component Name Preliminary Procedure Remove the front side door trim. Refer to Front Side Door Trim Replacement. 1 Radio Front Side Door Speaker ...

Front Wheelhouse Liner Inner Front Extension Replacement (Right Side, LUV)
Front Wheelhouse Liner Inner Front Extension Replacement Callout Component Name Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. Remove the front fascia opening l ...

Exhaust Manifold Heat Shield Replacement (LUV)
Exhaust Manifold Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. 1 Exhaust Manifold Heat Shield Fasteners (Qty: 3) Caution: Refer to Fas ...