LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> On-Board Diagnostic - Start Stop Unit >> DTC P081D-2F: Neutral Switch Signal Mismatch [Start Stop Unit] >> Notes

DTC P081D-2F: Neutral Switch Signal Mismatch [Start Stop Unit]: Notes

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