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DTC P0850-23: Transaxle Range Sensor Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
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 the P or N position for a continuous 1 s or more  even though the TCM CAN signal is in a position other than the P and N positions.
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 ground in wiring harness between start stop unit terminal 1F and TCM terminal J
  • Open circuit in wiring harness between start stop unit terminal 1F and TCM terminal J
  • Transaxle range sensor malfunction
  • Start stop unit malfunction
G10913817