P1571
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on.
Cruise control not working.
Brake Light/Cruise Switch. Plausibility Fault.
Fault symptoms
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Cruise control not working.
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Conditions
The following conditions apply for this DTC:
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Logic fault between brake light switch and cruise control brake switch for at least 180 s. The following can be read from the "Read value" menu in Tech2: Normal position (unaffected brake pedal), Brake light unaffected, Pedal switch, cruise control = ON.
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Diagnostic help
The pedal arm has a position where a DTC can be generated due to sensor location.
