5-6 Shift

Check these first

• Low or burnt transmission fluid
• A sticking 5-6 shift solenoid
• A restricted valve body passage for the 5-6 shift
• A worn 5-6 clutch pack
• A TCM shift logic fault

What to do next

1. Check the transmission fluid level and condition
2. Read the 5-6 shift solenoid data on a scan tool
3. Road test and watch the 5-6 shift command
4. Check the valve body passage for debris
5. Replace the solenoid if the circuit tests good
6. Clear the code and retest

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