Operation CHARM: Car repair manuals for everyone.

12, Speed Sensor N2 (or Sensor Supply Interrupted)



P0715

NOTE:
- The speed sensors are housed in the electrical part of the hydraulic control unit.
- If a speed sensor is faulty, the complete electrical part of the hydraulic control unit must be replaced.

12, Speed sensor n2 (or sensor supply interrupted)
This checks if the speed sensor signal n2 is present.

Diagnostic conditions
- Ignition on
- Engine speed [>] 450 min-1
- Vehicle speed [>] 30 km/h (18.75 mph)
- Straight ahead at constant speed

Possible cause of fault
- Short circuit to B+/ground/between wires or open circuit
- Speed sensor n2 faulty
- Tiptronic control unit faulty

Affected pins
Plug A: Pin 12

Diagnosis/troubleshooting


Part 1:




Part 2: