DCT Clutch Actuator A Position Error
2014-2021 BMW i3 Range Extender
Description
The DCT clutch A actuator is not reaching the commanded position. The hydraulic or electromechanical actuator cannot properly engage or disengage clutch A.
Symptoms
- Check Engine Light
- Harsh shifts in odd gears
- Gear grinding noise
- Failure to engage 1st gear
- Transmission jerking
- Stuck in neutral
Common Causes
- Faulty clutch actuator motor
- Hydraulic fluid leak in actuator circuit
- Actuator position sensor failure
- Mechanical binding in actuator
- Low hydraulic pressure
Diagnostic Steps
- Read clutch A actuator position PID
- Command actuator through full range
- Check hydraulic fluid level
- Inspect actuator for leaks
- Test actuator motor and position sensor
Repair Notes
Replace clutch actuator assembly or repair hydraulic circuit. Perform clutch teach-in procedure after replacement.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P3042 on Other Vehicles
Common Questions
What does code P3042 mean on a 2014-2021 BMW i3?
P3042 stands for "DCT Clutch Actuator A Position Error". The DCT clutch A actuator is not reaching the commanded position. The hydraulic or electromechanical actuator cannot properly engage or disengage clutch A.
What are the symptoms of P3042 on a BMW i3?
Common symptoms of P3042 include: Check Engine Light, Harsh shifts in odd gears, Gear grinding noise, Failure to engage 1st gear, Transmission jerking, Stuck in neutral.
What causes P3042 on a 2014-2021 BMW i3?
Common causes of P3042 include: Faulty clutch actuator motor, Hydraulic fluid leak in actuator circuit, Actuator position sensor failure, Mechanical binding in actuator, Low hydraulic pressure.