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HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (ENGINE CONTROLS AND FUEL - 3.6L (LGX) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSENGINE CONTROL MODULE REPLACEMENT
2020 GMC Acadia SL

Engine Control Module Replacement

2020 GMC Acadia SLSECTION Engine Control Module Replacement
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
GM4356744Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Disconnect the negative battery cable. Battery Negative Cable Disconnection and Connection (Without KL9) , or Battery Negative Cable Disconnection and Connection (With KL9)
1 Engine Control Module Bracket Retaining Tab [2x]
2 Engine Control Module
WARNING:

Refer to Safety Glasses Warning .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.