DTC Troubleshooting

DTC Troubleshooting: P1747

DTC P1747: Problem in Shift Control System; Cut Valve A Stuck ON, or Cut Valve B Stuck OFF

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information. Reading and Clearing Diagnostic Trouble Codes

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, then go to step 8.

NO - Replace the ATF, ATF Replacement then go to step 4.


4. Turn the ignition switch to ON (II).

5. Clear the DTC with the HDS.

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

7. Monitor the OBD STATUS for P1747 in the DTCs MENU with the HDS.

Does the HDS indicate FAILED?
YES - Repair cut valve A in the servo body, Servo Body Disassembly, Inspection, and Reassembly cut valve B in the main valve body, Main Valve Body Disassembly, Inspection, and Reassembly replace the main valve body or the servo body, or replace the transmission, then go to step 8.

NO - If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, go to step 6.


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

9. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P1747 indicated?
YES - Go to step 4.

NO - Go to step 10.


10. Monitor the OBD STATUS for P1747 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?
YES - Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 9, go to the indicated DTC's troubleshooting.

NO - If the HDS indicates FAILED, go to step 4. If the HDS indicates NOT COMPLETED, go to step 8.