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

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P081D:2F (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Neutral Switch Signal Mismatch
Detection condition
  • Start stop unit detects that the vehicle speed changes from 0 km/h {0 mph} to 10 km/h {6.2 mph} for a continuous 5 times or more even though the neutral signal from the PCM is being received with the ignition switched ON (engine off or on).
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 Not applicable