P3042high severityPowertrain
DCT Clutch Actuator A Position Error
on 2021 Mazda MX-5 Miata 2.0L I4 · RWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1