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.
2019 Chevrolet Malibu LSFACTORY OEM SERVICE PROCEDURE
Unsuccessful Programming Recovery
If programming a control module is not successful, perform the following procedure:
- DO NOT turn the vehicle OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
- Attempt to reprogram the ECU.
- If the programming is not successful
- Turn the vehicle OFF for at least 1 minute.
- Turn the vehicle ON and attempt to reprogram the ECU.
- If the programming is not successful - Replace the component: T6 Power Inverter Module
- Go to next step: If the programming is successful
- All OK.
- Go to next step: If the programming is successful
- All OK.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.