1F0515

1F0515 - P10E4

Information saved in
DME

Fault code
1F0515 - P10E4

Fault text
Valvetronic relay, supply voltage: Open circuit

Fault description
The diagnostic function monitors the wire from the
Valvetronic relay to the DME for open wires, and monitors
the control wire to the Valvetronic relay for open wires and
shorts to ground.

Condition for fault identification
Test condition:
The fault is recognized when the difference between battery
voltage and buffer capacitor exceeds 7 V.
Potential problem source(s):
- Valvetronic fuse defective
- Defect in wiring harness between Valvetronic relay and
DME
- Valvetronic relay defective
- Defective DME
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Inspect Valvetronic fuse
- Check wiring harness between Valvetronic relay and DME
(U_VVTR)
- Check wiring harness between Valvetronic relay and DME
(S_VVTR)
- Replace Valvetronic relay
- Replace DME

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
CC message, customer seeks

Driver information
Warning light:
ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: on
- CC message: on
MY10 US:
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message: on

Service instruction
None