BECM-P0AA400
VOLVO
BECM-P0AA400 - Hybrid/EV Battery Negative Contactor Circuit Stuck Closed. General Failure Information. No sub type information
System
Batteriesteuergerät (BECM)
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?
The BECM controls and monitors the high voltage battery contactors at the same time and checks that the voltage matches the contact positions. The code is set when the negative-side contactor appears to be stuck in the closed position. The fault may be caused by a damaged high voltage battery.
Mögliche Ursachen
- The high voltage battery is damaged
Was Sie tun können
- 1Read and note the fault code, clear it and road test to check whether it returns
- 2Check that the car's ordinary battery is charged and in good condition
- 3Have a workshop with diagnostic equipment check the contactors and the high voltage battery
- 4The high voltage system should only be handled by qualified personnel, so have a workshop carry out all work on the battery and other high voltage parts
Symptome, die Sie bemerken können4
- Red warning symbol and message in the display
- Charging of the high voltage battery stops or works poorly
- Drive modes PURE, SAVE and AWD disengage automatically or cannot be selected
- The combustion engine runs more often than normal in HYBRID mode
Was der Fehler beeinflussen kann2
- The high voltage battery cannot be charged
- Electric propulsion is not possible
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.