Diagnostic Trouble Code (DTC) Information
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Condition
A diagnostic trouble code (DTC) is stored if there is a short-circuit to ground or an open-circuit in the water pump circuit.
Substitute Value
Any engine block heater function will be shut down.
Possible Source
- Contact resistance in control module or water pump connectors.
- Short-circuit to ground in signal cable
- Open-circuit in power cable
- Open-circuit in the signal cable.
- Defective water pump.
Fault symptom[s]
- Engine block heater not working.
- Poor heating in passenger compartment.