P0693 Code - Cooling Fan 2 Control Circuit Low

What does P0693 Mean?

Regarding the P0693 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. When you see P0693 engine fault code on your engine code reader this description will help you.

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What are the common causes of P0693 ?

Common causes include a bad cooling fan motor or a faulty cooling fan relay. Less common causes include corroded or loose electrical connectors, a faulty engine coolant temperature sensor, and open or shorted electrical wiring (often resulting in a blown fuse).

How do you troubleshoot P0693 ?

There are many ways that a technician can address a P0693 code detection. They include:

• Replacing a bad cooling fan motor.
• Replacing a faulty or recalled cooling fan relay.
• Repairing an open or short circuit within the cooling fan 2 relay.
• Replacing or repairing corroded or loose electrical components.
• Replacing a faulty engine coolant temperature sensor.
• Replacing a faulty PCM, in rare cases.

In some very rare cases, the fan motor may appear to be faulty, but the issue is actually a leak in the power steering fluid. The cooling fan motor is driven in part by hydraulic pressure from the power steering pump, so this issue can affect the performance of the fan motor. In this instance, repairing the leak in the power steering should be attempted. A failed power steering pump may also need to be replaced.



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