Wheel-speed signal absent.
Symptom: Speedometer or cruise-control system not working.
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Wheel-speed signal absent.
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Fault symptoms
Speedometer or cruise-control system not working.
Conditions
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Open circuit or shorting between pin 23 on the ABS control module and pin 10 on the MIU (K12).
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Open circuit or shorting between ABS control module pin 25 and Cruise pin 11.
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Open circuit/shorting between ABS control module pin 26 and pin 39 in Trionic/pin 9 in Motronic/pin 9 in EDC 15.
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Diagnostic help
The wheel-speed reading can be obtained from both the ABS control module and the control module receiving the signal.
See also fault diagnosis in Electrical system, Main Instrument Unit diagnostic trouble code or Engine management system.