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 231 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - (HYBRID))DTC DIAGNOSISDTC P0602: CONTROL MODULE PROGRAMMING ERROR
2009 Mercury Milan Premier, 3.0 1, AWD
DTC P0602: Control Module Programming Error
2009 Mercury Milan Premier, 3.0 1, AWDSECTION DTC P0602: Control Module Programming Error
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0602 - CONTROL MODULE PROGRAMMING ERROR
| Description: | This DTC indicates a programming error within the vehicle ID (VID) block. | ||
| Possible Causes: |
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| Diagnostic Aids: | Using the diagnostic tool, reprogram the VID block. If the PCM does not allow reprogramming of the VID block, reflashing the PCM is required. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | The Vehicle ID (VID) Block must reprogrammed. For instructions, refer to the FLASH VID BLOCK PROCEDURE . | ||
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.