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:

TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the tires or replacing one or more of the TPMS sensors. The TPMS sensor matching process should also be performed after replacing a spare tire with a road ...

Instrument Panel Tie Bar Replacement
Removal Procedure Remove the Instrument panel assembly. Refer to Instrument Panel Assembly Replacement. Remove the steering column and wheel from the vehicle. Refer to Steering Column Replacement. Remove the air inlet grill panel. Refer to Air Inlet Grille Panel Replacem ...

Sunroof Housing Front Drain Hose Replacement
Sunroof Housing Front Drain Hose Replacement Callout Component Name Preliminary Procedure It is only necessary to lower the headliner. Only do those steps in the headliner replacement procedure that will lower the headliner ...