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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - DIAGNOSTIC METHODS - (HYBRID)TRANSAXLE CONTROL MODULE (TCM) REPROGRAMMINGDESCRIPTION
2010 Mercury Mariner Hybrid, AWD
Transaxle Control Module (TCM) Reprogramming: Description
2010 Mercury Mariner Hybrid, AWDSECTION Description
NOTE:
After the TCM is successfully reprogrammed, clear the continuous diagnostic trouble codes (DTCs) in the powertrain control module (PCM) and the TCM that may have been stored during reprogramming.
Changes made to the strategy or calibration may require TCM reprogramming. Refer to the Module Programming instructions on the scan tool.
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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.