P0730
DTC P0730: Problem in Shift Control SystemNOTE:
^ Record all freeze data and review General Troubleshooting Information before you troubleshoot.
^ Keep replacement solenoid valves on hand;
- A/T clutch pressure control solenoid valves A and B
- Shift 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 shift solenoid valves A and B.
4. Replace the A/T clutch pressure control solenoid valves A and B.
5. Turn the ignition switch OFF, and reset the PCM memory by removing the No. 6 ECU (PCM) fuse in the under-hood fuse/relay box for more than 10 seconds.
6. Using the scan tool, check to be sure that the engine coolant temperature is 176°F (80°C) or above. If the coolant temperature is low, warm up the engine to normal operating temperature (the radiator fan comes on).
7. Drive the vehicle at speeds over 12 mph (20 km/h) in 1st, 2nd, 3rd, and 4th gears in the 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.
Advanced Diagnostics