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DTC P0850-24: Transaxle Range Sensor Circuit Malfunction (Start Stop Unit): Notes

DTC P0850:24 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Transaxle range sensor circuit malfunction
Detection condition
  • The start stop unit detected the following condition 5 times continuously with the ignition switched ON (engine off or on).
    • A transaxle range sensor signal is in a position other than the P and N positions for a continuous 1 s or more even though the TCM CAN signal is in the P or N position.
Fail-safe
  • Perform control of the internal signal for control of the transaxle range sensor as position other than P, N positions.
Possible cause
  • DTCs are stored in the TCM.
  • Start stop unit connector or terminal malfunction
  • TCM connector or terminal malfunction
  • Short to power supply in wiring harness between start stop unit terminal 1F and TCM terminal J
  • Transaxle range sensor malfunction
  • Start stop unit malfunction
G13151766Courtesy of MAZDA MOTORS CORP.