P3025
CVT Fluid Temperature Sensor Circuit
2014-2021 BMW i3 Range Extender
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
- 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
P3025 on Other Vehicles
Common Questions
What does code P3025 mean on a 2014-2021 BMW i3?
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 i3?
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 2014-2021 BMW i3?
Common causes of P3025 include: Faulty temperature sensor, Corroded sensor connector, Damaged wiring, Sensor out of calibration, Short in circuit.