P3025
CVT Fluid Temperature Sensor Circuit
2001-2005 BMW 330i E46 3.0L I6
Moderate SeverityPowertrainGeneric (SAE)
Description
The CVT fluid temperature sensor is reporting values outside the expected range.
Symptoms
- Check Engine Light
- Incorrect temperature display
- Fan may run continuously
- Transmission may overheat
- Delayed protection mode activation
Common Causes
- Faulty temperature sensor
- Corroded sensor connector
- Damaged wiring
- Sensor out of calibration
- Short in circuit
Diagnostic Steps
- Read CVT fluid temp PID
- Compare to actual temp with infrared thermometer
- Test sensor resistance vs temperature
- Inspect connector and wiring
- Check for shorts to ground or power
Repair Notes
Replace CVT fluid temperature sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3025 on Other Vehicles
Common Questions
What does code P3025 mean on a 2001-2005 BMW 330i E46?
P3025 stands for "CVT Fluid Temperature Sensor Circuit". The CVT fluid temperature sensor is reporting values outside the expected range.
What are the symptoms of P3025 on a BMW 330i E46?
Common symptoms of P3025 include: Check Engine Light, Incorrect temperature display, Fan may run continuously, Transmission may overheat, Delayed protection mode activation.
What causes P3025 on a 2001-2005 BMW 330i E46?
Common causes of P3025 include: Faulty temperature sensor, Corroded sensor connector, Damaged wiring, Sensor out of calibration, Short in circuit.