VOLVO
POT-B116123 - Left rear anti-pinch sensor. General Signal Failures. Signal stuck low
System
Power Operated Tailgate (POT)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
2 modelsV70 (2008–), XC70 (2008–)
Show models by year and engine (2)
What does this fault code mean?
The anti-pinch sensor on the left side of the tailgate keeps showing a signal for too long after the tailgate has been opened, which the tailgate control module (POT) judges to be a fault., the circuit to the sensor is short-circuited, and that is the cause.
Possible causes
- The circuit to the anti-pinch sensor has a short circuit
What you can do
- 1Read off and clear the fault code, then test drive the tailgate to see whether it returns
- 2If you have a diagnostic tool: check that the left pinch sensor status returns to normal after the tailgate has been opened
- 3Check that the weatherstrip around the tailgate is firmly fitted where the sensor is placed and not loose
- 4Check that the cable to the left sensor is not chafed and that the connectors are firmly seated
- 5Check that the sensor has not taken in water or been damaged
- 6If the cable is intact: have a workshop replace the anti-pinch sensor
Symptoms you may notice2
- The tailgate is hard to close
- Automatic opening and closing of the tailgate does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.