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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 P170B, P286D (2016 2017 2018 2019 2020)

DTC P170B, P286D (2016 2017 2018 2019 2020)

DTC P170B  : Dog Clutch "A" Abnormal Operation DTC P286D  : Dog Clutch "A" Malfunction

NOTE:
  • Before you troubleshoot, review the General Troubleshooting Information .
  • As DTC P170B is stored, this means an intermittent failure for the dog clutch. If the dog clutch continues to be not working, DTC P286D will be stored.
  • It may be difficult to reproduce the failure by the test-drive.
DTC Description Confirmed DTC Pending DTC Freeze Frame
P170B Dog Clutch "A" Abnormal Operation      
P286D Dog Clutch "A" Malfunction      

DTC (A/T)

  1. Problem verification

    -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
    P170B Dog Clutch "A" Abnormal Operation      
    P286D Dog Clutch "A" Malfunction      

    Is DTC P286D indicated?

    YES 

    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.