VOLVO
OBC-P0D9038 - Battery Charger Input Frequency Incorrect. FM (Frequency Modulated) / PWM (Pulse Width Modulated) Failures. Signal frequency incorrect
System
On-board Charger (OBC)
Volvo models this fault code applies to
Applies to the following models:
1 modelV60 (2011–)
Show models by year and engine (2)
What does this fault code mean?
The frequency of the pilot signal between the charging cable and the control module OBC is wrong. The fault can be set when the cable is plugged in and its switch is turned on. A defective charging cable or a damaged charging socket can cause it. Charging is not possible while the fault remains.
Possible causes
- The charging cable is defective
- The charging socket is defective
What you can do
- 1Read out and erase the fault code, charge again and see whether it comes back
- 2Check that the switch on the charging cable is on when you connect it
- 3Check that the charging cable is not damaged, for example chafing, kinks or burnt connectors
- 4Have a workshop check that the charging socket in the car is clean and undamaged and that the cable is fully seated in it
- 5The high voltage system may only be handled by authorised personnel. Do not work on it yourself; have a workshop check the charging if the fault remains
Symptoms you may notice3
- A text message and a warning symbol are shown in the display
- Charging the high voltage battery from an external charging cable does not happen, is reduced or does not work correctly
- The LED on the charging cable or the charging socket shows a fault
What the fault can affect1
- Charging the high voltage battery is not possible
General guidance for car owners. Diagnosis on the car can point to a different cause.