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.

2020 Chevrolet Camaro SS, 2D Coupe, Standard TransFACTORY OEM SERVICE PROCEDURE

Engine Control Module Replacement (LT1)

GM4193172

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Preliminary Procedures

Disconnect the negative battery cable. Battery Negative Cable Disconnection and Connection
Engine Wiring Harness Fuse Block Bracket Replacement

1

Engine Control Module Bracket Retaining Tab [2x]

2

Engine Control Module

WARNING:

Refer to Safety Glasses Warning .

Factory Service Tools

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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.

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