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Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Start Stop Unit >> DTC P081D-29: Neutral Switch Error Signal Received [Start Stop Unit] >> Notes
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DTC P081D-29: Neutral Switch Error Signal Received [Start Stop Unit]: Notes

DTC P081D:29 [START STOP UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

Description Neutral switch error signal received
Detection condition
  • Start stop unit receives the neutral switch signal error signal from the PCM for 1 min or more 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