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 Opening Cover Replacement
Front Side Door Lock Cylinder Opening Cover Replacement Callout Component Name 1 Front Side Door Lock Cylinder Opening Cover Procedure Remove the front side door lock cylinder, Do Not remove the outside door ...

Driver or Passenger Seat Shoulder Belt Replacement (without A69)
Driver or Passenger Seat Shoulder Belt Replacement Callout Component Name Warning: Refer to SIR Warning. Warning: Refer to SIR Seatbelt Pretensioner Handling Warning. Warning: In order to prevent ...

Drive Range, Fifth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 35R pressure control s ...