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:

Inspection/Maintenance (I/M) System DTC Table (LWE)
Inspection/Maintenance (I/M) System DTC Table System DTCs Required to Set System Status to YES If an inspection/maintenance system status indicator did NOT update to YES during the Inspection/Maintenance System Check, review ea ...

Automatic Transmission Fluid Pressure Test Hole Plug Replacement
Automatic Transmission Fluid Pressure Test Hole Plug Replacement Callout Component Name 1 Fluid Pressure Test Plug Caution: Refer to Component Fastener Tightening Caution. Tighten 12 Y (106& ...

Transmission Control Lever Boot Replacement
Transmission Control Lever Boot Replacement Callout Component Name Preliminary Procedure Remove the front floor console. Refer to Front Floor Console Replacement. 1 Shift Control Lever Knob Cove ...