VOLVO
POT-U201A54 - Control Module Main Calibration Data. System Programming Failures. Missing calibration
System
Power Operated Tailgate (POT)
Volvo models this fault code applies to
Applies to the following models:
3 modelsV70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (3)
What does this fault code mean?
The tailgate control module (POT) compares the calibration file in the new software being downloaded with the calibration file already stored in the control module. The files do not match because of a defective calibration file. The control module has therefore registered that incorrect or invalid data has been downloaded.
Possible causes
- Defective calibration file
What you can do
- 1Have a workshop confirm the correct calibration file is used for the car and download it again
- 2Have a workshop reprogram the tailgate control module (POT) with new software
- 3Have the workshop check that the control module works after the reprogramming
Symptoms you may notice4
- The tailgate is hard to close
- The tailgate is hard to open
- The central locking for the tailgate does not work
- Automatic opening and closing of the tailgate does not work
What the fault can affect1
- Limited function in the tailgate control module (POT)
General guidance for car owners. Diagnosis on the car can point to a different cause.