DTC Troubleshooting

Control System DTCs

DTC Troubleshooting: P1747

DTC P1747 : Hydraulic Control System (Cut A Valve Stuck ON Or Cut B Valve Stuck OFF)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review the General Troubleshooting Information How To Troubleshoot The A/T System.

1. ATF check:

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 ATF Replacement 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 Automatic Transmission Removal and Installation, then do the repair verification.
-NO- Replace the ATF ATF Replacement, then go to step 2.

2. Problem verification:

Problem verification
-1. Turn the ignition switch to ON (II).

-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 P1747 in the DTCs MENU with the HDS.

Does the HDS indicate FAILED?
-YES- The failure is duplicated. Faulty cut valve A or cut valve B, replace the main valve body (cut valve B), the servo body (cut valve A) Automatic Transmission Disassembly and Reassembly, or the transmission Automatic Transmission Removal and Installation, 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.

Repair verification (OBD STATUS check):

-1. Turn the ignition switch to ON (II).

-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 P1747 in the DTCs MENU with the HDS.

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- Go to step 2 and recheck.
-NOT COMPLETED- Meet the test condition, and check the OBD STATUS again.