P0493

Technical Definition:

Fan Overspeed

Trouble Code: P0493
Address: 0x0493
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:

Possible Causes:

Possible Symptoms:

Fan Overspeed

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty cooling fan clutch
– Faulty control unit

Specific Makes:

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