Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSBUICK2015REGAL BASE, 2.0L ENG VIN X, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 2.4L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSENGINE CONTROL MODULE REPLACEMENT

2015 Buick Regal Base, 2.0L Eng VIN X, AWD

Engine Control Module Replacement

2015 Buick Regal Base, 2.0L Eng VIN X, AWDSECTION Engine Control Module Replacement

WARNING: This page is about a different variant/trim than selected.

Fig 1: Engine Control Module

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Preliminary Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Without Start/Stop) .

Electronic 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.