P0091

4350 - P0091

Information saved in
DDE

Fault code
4350 - P0091

Fault text
DDE: Rail-pressure control valve, activation: Short circuit to
ground

Fault description
The hardware recognizes a short to ground error in the
output stage:
Rail-pressure control valve.

Condition for fault identification
Test condition:
The check frequency depends on the process sequence
control.
Voltage condition:
The check frequency depends on the process sequence
control.

Condition for fault memory entry
Debounce (50 ms)

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace rail pressure control valve.

Fault effect and breakdown warning
Proceed to the nearest BMW Service facility.

Driver information
Warning light:
MIL

Service instruction
none