P0730

DTC P0730: Problem in Shift Control System

NOTE:
^ Record all freeze data and review General Troubleshooting Information before you troubleshoot.
^ Keep these replacement solenoid valves on hand:
- Shift solenoid valves A, 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, 4th, and 5th clutch pressure.
Is each clutch pressure within the service limit?
YES - Go to step 3.
NO - Replace the Transmission
3. Replace the shift solenoid valve B.
4. Replace the shift solenoid valves A and C.
5. Replace the A/T clutch pressure control solenoid valves A and B.
6. Clear the DTC with the scan tool or the HDS.
7. Drive the vehicle under the same conditions as those indicated by the freeze data, or at speeds over 12 mph (20 km/h) in 1st, 2nd, 3rd, 4th, and 5th gear in D 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.