P3040critical severityPowertrain
Dual-Clutch Transmission Clutch A Overheated
on 2018 Tesla Model X 90 kWh Dual Motor AWD · AWD
What this code means
The DCT control module detected excessive temperature on clutch A (odd gears). Clutch material is overheating, which can cause permanent damage.
Symptoms
- Check Engine Light
- Burning smell from transmission
- Transmission shudder in odd gears
- Reduced power mode
- Gear engagement delay
- Clutch slip in 1st/3rd/5th gears
Common causes
- Aggressive driving in stop-and-go traffic
- Clutch A wear beyond limit
- Insufficient clutch cooling
- TCM clutch adaptation out of range
- Towing beyond vehicle rating
Diagnostic steps
- Read clutch A temperature PID
- Check clutch adaptation values
- Inspect DCT fluid level and condition
- Review TCM clutch wear counter
- Test clutch cooling system flow
Repair notes
Allow clutch to cool before driving. If clutch wear limit is reached, clutch assembly replacement is required. Reset clutch adaptations after replacement.
Other Powertrain codes on this vehicle
P0070
Ambient Air Temperature Sensor Circuit
P0071
Ambient Air Temperature Sensor Range/Performance
P0072
Ambient Air Temperature Sensor Circuit Low
P0073
Ambient Air Temperature Sensor Circuit High
P0115
Engine Coolant Temperature (ECT) Sensor 1 Circuit
P0116
ECT Sensor 1 Circuit Range/Performance
P0117
ECT Sensor 1 Circuit Low Input
P0118
ECT Sensor 1 Circuit High Input
P0119
ECT Sensor 1 Circuit Intermittent
P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control