PDM-8021
VOLVO
PDM-8021 - Side turn indicator. Ground (GND) short
System
Passenger Door Module (PDM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
What does this fault code mean?
The control module has registered a short to ground in the cable when the turn signal in the door mirror is activated. The indicator in the mirror then does not work.
Possible causes
- Signal cable short-circuited to ground
What you can do
- 1Look for chafing and damage on the cable to the indicator in the mirror
- 2Check the connector at the mirror for oxidation and poor contact
- 3Use a multimeter to check that the signal cable is not short-circuited to ground (the body). If a fault is found, replace the signal cable
- 4If no fault is found in the cable, try replacing the door mirror
- 5After the work, check that the turn signal in the mirror works when the indicator is used
Symptoms you may notice1
- The indicator in the door mirror does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.