P1033

2A64 - P1033

Information saved in
DME

Fault code
2A64 - P1033

Fault text
Valvetronic, actuator motor 2: monitoring sluggish
movement, direction of rotation

Fault description
VVT-Actuator Monitoring Position Control, Control
Deviation (Bank 2)

Condition for fault identification
Test condition:
- Fault class:
Status regulator monitor
- Monitors VVT system for
resistance to motion.
Always active when:
- Driver circuits released for operation AND
- no control with pulse-duty
factor AND
- no relay/enable fault AND
- no undervoltage AND
- travel limits initialized or ALR
is in secure zone AND
- no lead sensor faults in
standard operation or
no reference sensor faults
after sensor switching
Terminal condition: Terminal 15 ON
Voltage condition:
9.6 - 15.5 V

Condition for fault memory entry
45 ms

Action in service
- Check battery charge state, charge battery as indicated
- Check wiring harness;
- Measure resistance between winding and casing (test not
possible with available measurement technology).
- Check reluctor installation;
- Check for wear and mechanical stiction

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none