DTC P173A (2020)

DTC P173A  : Transmission Fluid Pressure Sensor Performance High

NOTE:  Before you troubleshoot, review the General Troubleshooting Information .

DTC (Gear)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Enter the maintenance mode , then start the engine until the cooling fan comes on.

   -4. Turn the vehicle to the OFF (LOCK) mode.

   -5. Turn the vehicle to the ON mode.

   -6. Raise the vehicle on a lift. Make sure it is securely supported, and allow all four wheels to rotate freely.

   -7. Select the ENERGY FLOW screen on the MID.

   -8. Enter the VSA maintenance mode .

   -9. Run the vehicle in the engine drive mode for at least 10 seconds. Apply the brakes, and slowly bring the wheels to a stop.

   WARNING:

   Do not turn the vehicle to the OFF (LOCK) mode. Turing the vehicle to the OFF (LOCK) mode during an update can damage the park pawl actuator driver unit.

   -10.

   Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P173A Transmission Fluid Pressure Sensor Performance High

   Is DTC P173A indicated?

   YES 

   The failure is duplicated. Replace the transmission fluid pressure sensor .

   NO 

   Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the original PCM .