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 Side Door Lock Cylinder Coding (Free Wheeling)
Special Tools BO-49753 Assembly Tool The door lock cylinder uses 8 of the 8 cut positions. The tumbler positions are staggered from side to side, 4 on one side and 4 on the other, are not self-retaining, and are not snap in. Note: All lock cylinders for side milled keys ha ...

Air Conditioning O-Ring Seal Replacement
Removal Procedure Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure Note: Cap or tape the open A/C refrigerant components immediately to prevent system contamination. Cap or tape the A/C refrigerant components. ...

Radiator Surge Tank Outlet Hose Replacement (LDE LUW)
Radiator Surge Tank Outlet Hose Replacement Callout Component Name Preliminary Procedure Drain the coolant. Refer to Cooling System Draining and Filling 1 Radiator Surge Tank Outlet Hose Clamps (Qty ...