VOLVO
ECM-P30044B - Power Sustain Relay. System Internal Failures. Over temperature
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
1 ModellV60 (2011–)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
Even though the code is named over temperature, it concerns the signal wire to the voltage supply relay, which the engine control module (ECM) monitors. The code is set when the signal wire is shorted or has an open circuit, and then voltage cannot be connected to the high voltage battery's contactors.
Mögliche Ursachen
- Mechanical fault on the relay
- Electrical fault on the relay
- Short circuit or open circuit in the wires to the relay
Was Sie tun können
- 1Check that the fuses are intact; their location is shown in the owner's manual
- 2Read the code with a diagnostic tool and check whether it is active or only stored
- 3Have a workshop check the relay and its wiring, since the high voltage system should only be handled by trained personnel
Symptome, die Sie bemerken können3
- The combustion engine runs in HYBRID mode more often than expected
- Temperature control or air conditioning does not work
- Warning symbol and text message in the display
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.