P0AA6

P0AA600

Diagnosis information - High-voltage battery

Insulation fault

DANGER
High voltage.
Death or severe injuries due to high voltage or high current.

- De-energise the vehicle in accordance with the guidelines.
- Work must not be performed on parts carrying a high voltage.

--> Please observe the following document in the PIWIS information system:

- 2X00IN Activation/commissioning of the High-voltage vehicle network

Diagnostic conditions
The control unit must be active in order to test internal function sequences and diagnosable inputs/outputs.
In the event of a fault, check whether the fault is permanently >present<. To perform the check, erase the fault memory, meet the diagnostic conditions and read out the fault memory again.
- Ignition on

Possible fault causes
- High-voltage battery
- High-voltage line , High-voltage battery control unit
- High-voltage power electronics control unit
- High-voltage line , High-voltage A/C compressor
- High-voltage A/C compressor
- High-voltage battery control unit

Fault effects
- none