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:

Automatic Door Locks
The vehicle is programmed so that when the doors are closed, the ignition is on, and the shift lever is moved out of P (Park) for automatic transmissions, or when the vehicle speed is above 13 km/h (8 mph) for manual transmissions, the doors and the trunk/liftgate will lock. To unlock the doo ...

Rear Side Door Window Rear Guide Replacement
Rear Side Door Window Rear Guide Replacement Callout Component Name Preliminary Procedure Remove the rear side door trim panel. Refer to Rear Side Door Trim Replacement. 1 Rear Side Door Window R ...

Transmission Fluid Pump Disassemble (6T40/45/50)
Table 1: Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble Table 2: Fluid Pump Disassemble Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble Fluid Filter Assembly and Torque Converter Fluid Seal Disassemble ...