Transmission Overtemperature Condition
2002-2005 Ford Explorer 4.6L V8 🇩🇪
Description
The PCM/TCM has detected that the transmission fluid temperature has exceeded the safe operating range. Excessive transmission heat accelerates fluid breakdown and causes accelerated wear of internal components.
Symptoms
- Check Engine Light
- Transmission temperature warning light
- Harsh shifting
- Transmission slipping
- Possible limp mode
- Burning fluid smell
Common Causes
- Low transmission fluid level
- Contaminated or degraded fluid
- Faulty transmission cooler
- Blocked transmission cooler lines
- Heavy towing or hauling
- Torque converter clutch not engaging (keeping fluid hot)
- Internal transmission failure
Diagnostic Steps
- Check transmission fluid level and condition immediately
- Pull over and allow transmission to cool if actively overheating
- Inspect transmission cooler and lines for blockage or damage
- Check for TCC-related DTCs (P1740-P1744)
- Verify cooling system is functioning
Repair Notes
Stop driving if transmission is overheating. Check fluid level. Service transmission cooler. Replace fluid and filter. Address any TCC issues.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
P1783 on Other Vehicles
Common Questions
What does code P1783 mean on a 2002-2005 Ford Explorer?
P1783 stands for "Transmission Overtemperature Condition". The PCM/TCM has detected that the transmission fluid temperature has exceeded the safe operating range. Excessive transmission heat accelerates fluid breakdown and causes accelerated wear of internal components.
What are the symptoms of P1783 on a Ford Explorer?
Common symptoms of P1783 include: Check Engine Light, Transmission temperature warning light, Harsh shifting, Transmission slipping, Possible limp mode, Burning fluid smell.
What causes P1783 on a 2002-2005 Ford Explorer?
Common causes of P1783 include: Low transmission fluid level, Contaminated or degraded fluid, Faulty transmission cooler, Blocked transmission cooler lines, Heavy towing or hauling, Torque converter clutch not engaging (keeping fluid hot), Internal transmission failure.