P1020
2A5F - P1020Information saved in
DME
Fault code
2A5F - P1020
Fault text
Valvetronic, eccentric shaft sensor: power supply
Fault description
VVT-Supply Voltage Sensors Low Input (Bank 1)
Condition for fault identification
Test condition:
- Fault class:
Low voltage supply to sensor
Terminal condition: DME, VVT - Active
Voltage condition:
4.5 V - 5.5 V
Condition for fault memory entry
3 ms
Action in service
Check plug and wiring harness, with KS +12V there is the
danger of a sensor defect; check VVT-SG output voltage;
otherwise replace sensor
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none