P10D7

28B7 - P10D7

Information saved in
DME

Fault code
28B7 - P10D7

Fault text
Valvetronic relay, activation

Fault description
Valvetronic relay, activation

Condition for fault identification
Test condition:
Output stage diagnosis
Terminal condition: Terminal 15
Voltage condition:
Battery voltage > 8.5 V

Condition for fault memory entry
0.5 sec.

Action in service
1. Check wiring harness between DME CH-
302(V_V_BAT_VVT) and Valvetronic relay
2. Replace Valvetronic relay
3. Replace DME

Fault effect and breakdown warning
None
If the malfunction occurs while the VVT system is at
maximum stroke extension (full load, vehicle parked), only
limited or no effects will be apparent to the customer.
(Switching process may be felt after GD, starting response.)
Otherwise breakdown vehicle, as power is no longer
transmitted to the VVT system, which thus closes.

Driver information
Warning light:
CC status report

Service instruction
None