2A63 - P1031 (DME)

2A63 - P1031

Information saved in
DME

Fault code
2A63 - P1031

Fault text
DME2: Valvetronic bank 2, servomotor: monitoring
sluggish movement, direction of rotation

Fault description
Valvetronic, servo-motor: Stiction, rotation direction
monitoring

Condition for fault identification
Test condition:
- Error class:
Rotational direction detection
- Determination of whether an
adjustment can be enabled.
Check of VVT system
once prior to every power application
within one ?Driving - Cycle?
to ensure that
servo-motor polarity is correct
and to inspect for stiction
Terminal condition: Terminal 15 ON
Voltage condition:
9.6 - 15.5 V

Condition for fault memory entry
63 ms to 498 ms

Action in service
After repair?
Yes: Check power plug terminal assignments using circuit
diagram;
check wiring harness for open circuit;
check for wear, mechanical stiction;

Fault effect and breakdown warning
none

Driver information
Warning light:
none

Service instruction
none