P0730

DTC P0730: Problem in Shift Control System

NOTE:
- Record all freeze data before you troubleshoot.
- Keep replacement solenoid valves on hand:
- Torque converter clutch solenoid valve/shift solenoid valve A
- Shift solenoid valves B and C
- A/T clutch pressure control solenoid valves A and B

1. Check whether the OBD II scan tool indicates another code.
Does the OBD II scan tool indicate another code?
YES - Perform the Troubleshooting Flowchart for the indicated Code(s). Recheck for code P0730 after troubleshooting.
NO - Go to step 2.

NOTE: Do not continue with this troubleshooting until the causes of any other DTCs have been corrected.

2. Measure the 1st, 2nd, 3rd, and 4th clutch pressure.
Is each clutch pressure within the service limit?
YES - Go to step 3.
NO - Repair the hydraulic system as necessary.
3. Replace the torque converter clutch solenoid valve/shift solenoid valve A.
4. Replace the shift solenoid valves B and C.
5. Replace the A/T clutch pressure control solenoid valves A and B.
6. Turn the ignition switch OFF and reset the PCM memory by removing the BACK UP fuse in the passenger's under-dash fuse/relay box for more than 10 seconds.
7. Drive the vehicle at a speed over 12 mph (20 km/h) in 1st, 2nd, 3rd, 4th gear in 13 position for more than 30 seconds.
8. Recheck for code P0730.
Does the OBD II scan tool indicate code P0730?
YES - Replace the transmission.
NO - The system is OK at this time.