P1783
Transmission Over-Temperature Condition
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine light comes on
- The car goes into emergency transmission mode
- Noticeable decrease in performance
- Burnt transmission fluid smell
- Hard or delayed gear shifts
Causes
- Low transmission fluid level
- Contaminated or old transmission fluid
- Transmission cooling radiator malfunction
- Transmission fluid pump problems
- Extreme operating conditions (towing, off-road)
How to Fix
- Check the level and condition of the transmission fluid
- Replace transmission fluid and filter if necessary
- Check the operation of the transmission cooling radiator
- Diagnose the operation of solenoids and transmission pump
- Check for leaks in the system