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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 387 (CRUISE CONTROL SYSTEM)DIAGNOSIS AND TESTINGSPEED CONTROLPINPOINT TESTSPINPOINT TEST H: FLASH CODE 3 - SPEED CONTROL DEACTIVATOR SWITCH CIRCUIT FAILUREPOSSIBLE CAUSES
2010 Mercury Mariner Hybrid, AWD
Possible Causes
2010 Mercury Mariner Hybrid, AWDSECTION Possible Causes
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.
- Circuit 101 (GY/YE) open
- Circuit 248 (TN/OG) short to voltage
- Speed control deactivator switch
- Speed control actuator
- SJB
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.