Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
2013
>>
Sierra Denali AWD V8-6.2L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Relays and Modules - Powertrain Management
>>
Relays and Modules - Computers and Control Systems
>>
Engine Control Module
Engine Control Module
Expand All (for easy ctrl-f)
Collapse All
Description and Operation
Testing and Inspection
Locations
Component Locations
Engine Control Module (ECM)
Engine Control Module (ECM) X1
Engine Control Module (ECM) X2
Harness Locations
Engine Control Module (ECM) X1
Engine Control Module (ECM) X2
Service and Repair
Diagrams
Engine Control Module (ECM) X1
Engine Control Module (ECM) X1 (L20, L9H, LC9 or LMG)
Engine Control Module (ECM) X2 (L9H with Y91)
Engine Control Module (ECM) X2
Engine Control Module (ECM) X2 (LMG, LC9, LY5, LH6, L76, or L9H without Y91)
Engine Control Module (ECM) X3
Technical Service Bulletins
