DTC P1734

DTC P1734  : Shift Error F

DTC (A/T)

1. ATF check

   -1. Warm up the engine to normal operating temperature (the radiator fan comes on).

   -2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

   -3. Drain the ATF through a strainer. Inspect the strainer for metal debris or excessive clutch material.

   Does the strainer have metal debris or excessive clutch material?

   YES 

   Replace the transmission , then do the repair verification.

   NO 

   Replace the ATF , then go to step 2.

2. Problem verification (test-drive)

   -1. Press the engine start/stop button to select the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.

   -4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.

   DTC Description	OBD Status
   P1734 Shift Error F

   Does the HDS indicate FAILED?

   YES 

   The failure is duplicated. Go to step 3.

   NO 

   If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, test-drive again.

3. Shift solenoid valve B operation check

   -1. Clear the DTC with the HDS.

   -2. Select Shift Solenoid Valve B in the Miscellaneous Test Menu, and check that shift solenoid valve B operates with the HDS.

   Shift Solenoid Valve B

   Is a clicking sound heard?

   YES 

   Shift solenoid valve B is OK. Go to step 4.

   NO 

   Replace shift solenoid valve B , then do the repair verification.

4. Shift solenoid valve C operation check

   -1. Select Shift Solenoid Valve C in the Miscellaneous Test Menu, and check that shift solenoid valve C operates with the HDS.

   Shift Solenoid Valve C

   Is a clicking sound heard?

   YES 

   Shift solenoid valve C is OK. Go to step 5.

   NO 

   Replace shift solenoid valve C , then do the repair verification.

5. Problem verification (OBD STATUS check)

   -1. Press the engine start/stop button to select the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.

   -4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.

   DTC Description	OBD Status
   P1734 Shift Error F

   Does the HDS indicate FAILED?

   YES 

   The failure is duplicated. Repair the hydraulic system related with shift valves B and C, or replace the transmission , then do the repair verification.

   NO 

   If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, test-drive again.

6. Repair verification (OBD STATUS check)

   -1. Press the engine start/stop button to select the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.

   -4. Monitor the OBD STATUS for P1734 in the DTCs MENU with the HDS.

   DTC Description	OBD Status
   P1734 Shift Error F

   DTC (A/T)

   Does the HDS indicate PASSED, FAILED, or NOT COMPLETED?

   PASSED 

   Troubleshooting is complete. Check for other DTC after this troubleshooting. If any other Pending or Confirmed DTCs were indicated, go to the indicated DTC's troubleshooting.

   FAILED 

   Troubleshooting is incomplete. Go to step 3 and recheck.

   NOT COMPLETED 

   Repair verification is incomplete. Meet the test condition, and check the OBD STATUS again.