Manufacturer Code Charts: 2850
2850 - P1048Information saved in
DME
Fault code
2850 - P1048
Fault text
Valvetronic servomotor, activation
Fault description
Valvetronic servo-motor, activation
Condition for fault identification
Test condition:
none
Terminal condition: Terminal 15
Voltage condition:
none
Condition for fault memory entry
0.3 sec.
Action in service
1. Determine whether one of the two Valvetronic servo-
motor wires (CMI-201(O_P_VVT1M) and/or CMI-
202(O_P_VVT2M)) is grounded. Switch off ignition for this
procedure.
2. Check wiring harness for short circuits to ground
3. If no short circuit is present in the wiring harness: Check
Valvetronic actuator motor pins for interturn short circuit to
housing (ground)
4. Replace DME.
Fault effect and breakdown warning
None
none
Driver information
Warning light:
none
Service instruction
None