P1745

DTC P1745: Problem in Shift Control System; Servo Control Valve Stuck OFF or Servo Control Valve Stuck OFF

NOTE: Record all freeze data and review General Troubleshooting Information before you troubleshoot.

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

4. Clear the DTC with the HDS.
5. Test-drive the vehicle for several minutes in the D position through all five gears. Slow down and stop the wheels.
6. Retest-drive the vehicle for several minutes in the D position through all five gears. Slow down and stop the wheels.
7. Monitor the OBD status for P1745 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES - Repair the servo control valve in the main valve body, servo valve in the regulator valve body, or replace the main valve body, regulator valve body, or replace the transmission.
NO - intermittent failure, the system is OK at this time. If the tester indicates NOT COMPLETED, return to step 4 and recheck.