LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Buick
>>
2012
>>
Regal L4-2.0L Turbo
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Relays and Modules - Computers and Control Systems
>>
Engine Control Module
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Control Module
Expand All (for easy ctrl-f)
Collapse All
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Engine Control Module X1 (LHU)
Engine Control Module X2 (LHU)
Engine Control Module X3 (LHU)
Technical Service Bulletins
