P1634

2B27 - P1634

Information saved in
DME

Fault code
2B27 - P1634

Fault text
Throttle valves, test of return springs, bank 1

Fault description
Throttle Valve Adaptation Spring Test Failed (Bank 1)

Condition for fault identification
Test condition:
Closing duration too low
Terminal condition: TERM87
Voltage condition:
none

Condition for fault memory entry
20 ms

Action in service
1. Clear fault memory, EDR electronic throttle valve control
system test
2. Check throttle valve assembly for stiction
3. Replace EDR B1

Fault effect and breakdown warning
CC message
Engine speed limited
Reduced power
MIL after engine runs 2x

Driver information
Warning light:
MIL, EML, CC message, backup program

Service instruction
none