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93, Coolant Shutoff Valve



P1656

93, Coolant shutoff valve

Diagnosis conditions
- Ignition on

Possible cause of fault
- Short circuit to B+/ground or open circuit in the wire to the coolant shutoff valve
- Coolant shut-off valve faulty
- Tiptronic control unit faulty

Affected pins
Pins 51, 6, and 54

Diagnosis/troubleshooting


Part 1:




Part 2: