P156F

27A1 - P156F

Information saved in
DME

Fault code
27A1 - P156F

Fault text
Throttle-valve actuator, enable line, Bank 1

Fault description


Condition for fault identification
Test condition:
Engine running
Terminal condition: Terminal 87
Voltage condition:
none

Condition for fault memory entry
Driver diagnosis ATIC39

Action in service
1. Check Bank 1 enable wire
2. Delete stored DTCs from error memory, conduct
electromotive throttle-valve actuator system test
3. Replace electromotive throttle-valve actuator 1

Fault effect and breakdown warning
Displayed engine speed limitation to 3500 rpm / Check
Control message: 29-Engine malfunction, 35-DSC failed!,
354-drive-off assistant inactive! / power reduction / MIL on
after engine runs 2x

Driver information
Warning light:
29-Engine malfunction

Service instruction
none