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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (On-Board Diagnostic - Start Stop Unit) >> DTC B10AC-13: Cruise Control Switch Circuit Malfunction >> Notes

DTC B10AC-13: Cruise Control Switch Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location  Cruise control switch circuit malfunction
Detection condition 
  • The start stop unit detected an open circuit in the cruise control switch circuit for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe  -
Possible cause 
  • Instrument cluster configuration error
  • Clock spring connector or terminal malfunction
  • Clock spring malfunction
  • Start stop unit connector or terminal malfunction
  • Open circuit in wiring harness between the following terminals:
    • Start stop unit terminal 1Y and clock spring (start stop unit side) terminal 1J
    • Start stop unit terminal 1Z and clock spring (start stop unit side) terminal 1N
  • Cruise control switch malfunction
  • Start stop unit malfunction
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