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2CFB - P1694 (DME)

2CFB - P1694

Information saved in
DME

Fault code
2CFB - P1694

Fault text
Throttle-valve adaptation value

Fault description
Throttle Valve Actuator Start Test Spring Test and Limp-
Home Position Failed (Bank 1)

Condition for fault identification
Test condition:
Terminal change and request for adaptation
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V

Condition for fault memory entry
none

Action in service
1) Check engine-management fuses (5-fuse holder in
EBOX), 2) Check: The sum of throttle valve voltages must
equal 5 V,
3) Perform electrical check on wiring to throttle valve
sensors and throttle valve motor,
4) Visual inspection of plug-in contacts (at component,
wiring harness and DME),
5) Replace component

Fault effect and breakdown warning


Driver information
Warning light:
CC status report: Reduced engine performance!,
MIL ON
EMB + rpm limit 1300 rpm

Service instruction
none