LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2014 >> MDX SH-AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - DTC Diagnostics (1 Of 2) (Except Hybrid) >> Troubleshooting >> DTC P0844, P170A (2016 2017 2018 2019 2020)

DTC P0844, P170A (2016 2017 2018 2019 2020)

DTC P0844  : Dog Clutch Malfunction DTC P170A  : Dog Clutch Abnormal Operation

NOTE:
  • Before you troubleshoot, review the General Troubleshooting Information .
  • As DTC P170A is stored, this means an intermittent failure for the dog clutch. If the dog clutch continues to be not working, DTC P0844 will be stored.
  • The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • It may be difficult to reproduce the failure by the test-drive.
DTC Description Confirmed DTC Pending DTC Freeze Frame
P0844 Dog Clutch Malfunction      
P170A Dog Clutch Abnormal Operation      

DTC (A/T)

  1. Problem verification 1

    -1. Turn the vehicle to the ON mode.

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

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P170A Dog Clutch Abnormal Operation      

    Is DTC P170A indicated?

    YES 

    Intermittent failure, the system is OK at this time. 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.

    NO 

    Go to step 2.

  2. Problem verification 2

    -1. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P0844 Dog Clutch Malfunction      

    Is DTC P0844 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. 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.