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Home >> Acura >> 2014 >> MDX SH-AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - DTC Diagnostics (1 Of 2) (Except Hybrid) >> Troubleshooting >> DTC P073E (2016 2017 2018 2019 2020)

DTC P073E (2016 2017 2018 2019 2020)

DTC P073E  : Unable to Engage Reverse

NOTE:
  • Before you troubleshoot, review the General Troubleshooting Information .
  • This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
  • The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
DTC Description Confirmed DTC Pending DTC Freeze Frame
P073E Unable to Engage Reverse      

DTC (A/T)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    - 3. Start the engine.

    - 4. While pressing the brake pedal, shift the transmission to R position/mode, then shift to P position/mode, and repeat this procedure twice.

    - 5. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P073E Unable to Engage Reverse      

    Is DTC P073E indicated?

    YES 

    The failure is duplicated. Replace the transmission - Refer to: Automatic Transmission Removal and Installation (2016 2017 2018 2019 2020), or Automatic Transmission Removal and Installation (2014 2015) .

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at the TCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.