P1057

2A3C - P1057

Information saved in
DME

Fault code
2A3C - P1057

Fault text
Valvetronic relay, activation

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

Condition for fault identification
Test condition:
The voltage at the capacitors is monitored. If this is below
an offset of the battery voltage an fault symptom is
registered
Terminal condition: Main relay ON
Voltage condition:
none

Condition for fault memory entry
0.05

Action in service
1. Ignition off, let control module return to dormant state as
indicated, restart
2. If Item 1 is not OK, it will be necessary to check the
electronics in the control module

Fault effect and breakdown warning


Driver information
Warning light:
Emergency default mode 2

Service instruction
none