P1634
2CFC – P1634
Information saved in
DME
Fault code
247
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 EBox),
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 status report: Reduced engine performance!,
MIL ON
EMB + rpm limit 1300 rpm
