Engine Control Module Replacement

WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Engine Control Module Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Control Module cover Tip: Release the tab on the rear of the cover while rotating the cover upward.
2	Engine Control Module Bracket
3	Engine Control Module Procedure Disconnect the engine control module harness connectors. Release the three tabs retaining the engine control module to the module bracket.

Callout

Component Name

Engine Control Module cover
Tip: Release the tab on the rear of the cover while rotating the cover upward.

Engine Control Module Bracket

Engine Control Module

Procedure

Disconnect the engine control module harness connectors.
Release the three tabs retaining the engine control module to the module bracket.