P3041critical severityPowertrain
Dual-Clutch Transmission Clutch B Overheated
on 2023 BMW i7 M70 Dual Motor AWD · AWD
What this code means
The DCT control module detected excessive temperature on clutch B (even gears).
Symptoms
- Check Engine Light
- Burning smell
- Shudder in even gears
- Reduced power mode
- Gear engagement delay in 2nd/4th/6th
- Harsh shifts in even gears
Common causes
- Aggressive driving pattern
- Clutch B wear beyond limit
- Cooling system restriction
- TCM adaptation limit exceeded
- Heavy load driving
Diagnostic steps
- Read clutch B temperature PID
- Check clutch B adaptation values
- Inspect DCT fluid
- Review wear counter
- Test cooling system
Repair notes
Allow clutch to cool. Replace clutch B assembly if wear limit reached.
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