Answer
Sep 04, 2023 - 08:30 PM
Hi there,
If you have replaced the Power Control Module and the shift solenoid already, but the problem persist, there could be several potential causes for this problem. See this possibilities to check:
1. Check the transmission fluid level, low or dirty fluid affects shifting performance. Make sure the level is within the standard, and it's clean and not burnt. Consider doing a transmission fluid change.
2. A clogged transmission filter can restrict fluid flow and cause shifting problems. Try replacing the filter if it is dirty and clogged.
3. A bad transmission sensor or throttle position sensor can cause erratic shifting performance/behaviour. Have the sensors tested, and if bad replace them.
4. The valve body controls fluid flow and shifting. A bad/faulty valve body will cause shifting issues.
5. A bad clutch torque converter solenoid (TCC) is also one possibility.
6. Run a diagnostic scanner to have a lead on the potential bad parts.
Always consult a professional mechanic to be accurate on the troubleshooting and diagnostic. I hope this helps!
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