DTC P173B

DTC P173B  : Transmission Fluid Pressure Sensor Performance Low

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.

   

   Do not brake hard when working on a running vehicle on a lift. It may cause some damage to the drive-line.

   -10. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P173B Transmission Fluid Pressure Sensor Performance Low

   Is DTC P173B 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 substitute a known-good PCM , then recheck. If this DTC goes away and the PCM was substituted, replace the original PCM .