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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 P081D-2F: Neutral Switch Signal Mismatch >> Notes

DTC P081D-2F: Neutral Switch Signal Mismatch: 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  Neutral switch signal mismatch
Detection condition 
  • With the ignition switched ON (engine off or on), the start unit detects that the vehicle speed changes from 0 km/h {0 mph}  to 10 km/h {6.2 mph}  for a continuous 5 or more times  even though the neutral signal from the PCM is being received.
Fail-safe 
  • Perform the control with neutral switch signal turned off.
Possible cause 
  • DTCs are stored in the PCM.
  • Neutral switch malfunction
  • PCM malfunction
  • Start stop unit malfunction
System wiring diagram  -