VOLVO
PDM-0024 - Central locking switch. Faulty signal
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 driver or passenger door module (DDM or PDM) checks the signal from the central locking button in the door. The fault code is stored when the module registers an open circuit in the central locking button circuit. The fault can be caused by the button being disconnected or by a break somewhere in the circuit.
Possible causes
- The central locking button is disconnected
- Open circuit in the central locking button circuit
What you can do
- 1Check that the connector to the central locking button in the door is firmly fitted
- 2Look along the wiring between the door and the car's control module for chafing or breaks
- 3Use a multimeter to check that the signal wire running to the central locking button is not broken
- 4After the work, check that the central locking button works and that its lighting comes on
Symptoms you may notice1
- Central locking cannot be operated from the central locking button
General guidance for car owners. Diagnosis on the car can point to a different cause.