P1634

2CFC - P1634

Information saved in
DME

Fault code
2CFC - P1634

Fault text
Throttle valve, start check

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

Condition for fault identification
Test condition:
Switch terminals
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V

Condition for fault memory entry
1 sec.

Action in service
1) Check engine-management fuses (5-fuse holder in E-
Box),
2) Perform electrical check on wiring to throttle valve
sensors and throttle valve motor,
3) Visual inspection of plug-in terminals (at components,
wiring harness and DME),
4) Replace component

Fault effect and breakdown warning


Driver information
Warning light:
CC None status report: Reduced engine performance!,
MIL ON
EMB + rpm limit 1300 rpm

Service instruction
none