VOLVO
POT-B116212 - Right rear anti-pinch sensor. General Electrical Failures. Circuit short to battery
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 right side of the tailgate gives a value that the control module (POT) does not accept, because the cable to the sensor is short-circuited to supply voltage. The sensor detects obstacles when closing, so a wrong value affects how the tailgate closes.
Possible causes
- The cable to the anti-pinch sensor has a short circuit to supply voltage
What you can do
- 1Read off the fault code, clear it, and test drive to see whether it comes back
- 2Check that the weatherstrip around the tailgate, where the pinch sensors sit, is properly fitted and not loose
- 3If you have a diagnostic tool: compare the pinch sensor status with the tailgate closed; a pressed-in reading when nothing touches the sensor suggests it has moved
- 4Check that the sensor is dry and undamaged
- 5Check that the cable from the sensor is intact and that the connectors at both ends are firmly seated
- 6If the cable is intact: have a workshop replace the anti-pinch sensor and check its function afterwards
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.