DTC P171A

DTC P171A  : Park Pawl System Position Control Error

Special Tools Required 

SPLINE HOLDER, DETENT SHAFT 070AB-5M50100 

DTC (Gear)

1. DTC check

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode.

   -4. Turn the vehicle to the ON mode, and wait for at least 10 seconds.

   -5. With the brake pedal pressed and the accelerator released, shift the transmission to N position/mode, then shift back to P position/mode, and wait for at least 5 seconds.

   -6. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P171A Park Pawl System Position Control Error
   P271A Park Pawl Position Sensor A Circuit Low

   Is DTC P171A or P271A indicated?

   Only DTC P171A is indicated

   The failure is duplicated. Go to step 2.

   DTC P271A is indicated

   The failure is duplicated. Do the troubleshooting for DTC P271A .

   No DTCs are indicated

   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.

2. Transmission park mechanism check

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Remove the park pawl actuator .

   -3. Set the detent shaft spline holder (A) to the detent shaft (B).

   Courtesy of HONDA, U.S.A., INC.

   -4. Use a torque wrench (C) and the socket (D) to rotate the detent shaft, and check that the detent shaft moves smoothly.

   Move it back and forth between the P position (E) and the P released position (F) several times.

   • Operation angle: approx. 21 deg.
   • Operation torque: approx. 4.0 N.m (0.41 kgf/m, 3.0 lbf.ft)

   -5. Check that the wheels are locked when putting the detent shaft in the P position. Additionally, check that the wheels rotate when putting the detent shaft in the P released position.

   Is the transmission park mechanism OK?

   YES 

   The transmission park mechanism is OK. Put the detent shaft in the P position, and replace the park pawl actuator .

   NO 

   Faulty transmission park mechanism. Replace the transmission (e-CVT) .