Diagnostic trouble code (DTC) information
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Condition
Diagnostic trouble code (DTC) ABS-311, ABS-312, ABS-313 or ABS-314 is stored if the control module registers a fault in the wheel sensor circuit.
Substitute Value
- The ABS function is disengaged.
- If a wheel is under ABS control and a wheel sensor fault for the wheel occurs, the ABS system is disengaged immediately.
- If more than one wheel is under the ABS control and a wheel sensor fault occurs, the ABS system is disengaged when the ABS control ceases.
Possible Source
- Open-circuit in the signal cable (+) or signal cable (-).
- The sensor is dislodged from its mounting.
- The sensor is not installed.
- Short-circuit to +12 V in the signal cable.
- Short-circuit to ground in the signal cable.
- Defective wheel sensor.
- Contact resistance in the terminals.
Fault symptom[s]
- The ABS warning lamp lights.
- There is a risk of wheel lock-up when braking if the ABS system is disengaged.
HINT: If the fault is intermittent, the ABS warning lamp will go out the next time the vehicle speed exceeds 12 km/h the next time the ignition is switched on. If the fault is an intermittent open-circuit, the ABS warning lamp will go out the next time the ignition is switched on.