P1055

2A3F - P1055

Information saved in
DME

Fault code
2A3F - P1055

Fault text
Valvetronic, actuator motor: power supply

Fault description
VVT-Supply Voltage Control Motor High Input (Bank 1)

Condition for fault identification
Test condition:
VVT servo motor power supply monitor
Terminal condition: Terminal 15 ON
Voltage condition:
Electrical system voltage terminal 87 >10.0 V

Condition for fault memory entry
Power-supply voltage > 17 V

Action in service
1. Check VVT power supply voltage with multimeter.
Supply voltage must lie between 5.75V and 17V.
2. If result is outside specified range: Inspect the power-
supply wire to the VVT pins and check the plug.
3. If contact is stretched or corroded: Replace plug 4. If
wiring harness is defective: Replace wiring harness.

Fault effect and breakdown warning


Driver information
Warning light:
MIL ON

Service instruction
none