VOLVO
ECM-P062500 - Generator Field Terminal Circuit Low. General Failure Information. No sub type information
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS80 (2007–), V70 (2008–)
Show models by year and engine (2)
What does this fault code mean?
The fault concerns the voltage on the alternator's field connection being too low. The engine control module sets the fault code when it detects that the alternator is not charging, and no specific cause is stated for the code.
Possible causes
- No specific cause is stated for the code
What you can do
- 1Check that the fuses are intact
- 2With the ignition off, check the connectors at the alternator for looseness, oxidation and contact resistance
- 3If you have a diagnostic tool: read the fault status after the repair and take a test drive to see whether the code returns
- 4If the fault remains: have a workshop check the alternator and its supply to the field connection
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.