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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1439 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - (HYBRID))DTC DIAGNOSISU0294 - LOST COMMUNICATION WITH POWERTRAIN CONTROL MONITOR MODULE
2009 Mercury Milan Premier, 3.0 1, AWD
U0294 - Lost Communication With Powertrain Control Monitor Module
2009 Mercury Milan Premier, 3.0 1, AWDSECTION U0294 - Lost Communication With Powertrain Control Monitor Module
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
U0294 - LOST COMMUNICATION WITH POWERTRAIN CONTROL MONITOR MODULE
| Description: | The transaxle control module (TCM) continuously monitors the controller area network (CAN) for messages from the powertrain control module (PCM) quizzer. This DTC is set when the TCM stops receiving the PCM messages for a set amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check for other PCM DTCs or PCM related symptoms. Diagnose all other PCM DTCs or PCM related symptoms first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QA . | ||
RENDER: 1.0x
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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.