BMW DTC P1A70 – Electric/Auxiliary Transmission Fluid Pump Current Sensor Circuit Low
DTC P1A70 meaning on BMW
The DTC P1A70 fault code on BMW vehicles indicates an issue with the Electric/Auxiliary Transmission Fluid Pump Current Sensor Circuit being detected as low. This fault code is specific to the electric or auxiliary transmission fluid pump current sensor circuit.
BMW DTC P1A70 symptoms
Symptoms of the BMW DTC P1A70 code may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Transmission shifting issues
- Reduced performance or drivability
BMW DTC P1A70 causes
Common causes of the BMW DTC P1A70 fault code include:
- Malfunctioning electric or auxiliary transmission fluid pump
- Wiring or connector issues in the current sensor circuit
- Defective current sensor
BMW DTC P1A70 seriousness
The DTC P1A70 fault code should not be ignored as it can lead to transmission performance issues and potential drivability concerns. It is recommended to address this fault code promptly to prevent further damage to the transmission system.
How to diagnose DTC P1A70 on BMW
To diagnose the DTC P1A70 fault code on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data
- Inspect the wiring and connectors in the electric transmission fluid pump current sensor circuit for any damage or corrosion
- Test the electric or auxiliary transmission fluid pump and current sensor for proper operation
How to fix DTC P1A70 on BMW
To fix the DTC P1A70 fault code on a BMW, you may need to:
- Repair or replace any damaged wiring or connectors in the current sensor circuit
- Replace the electric or auxiliary transmission fluid pump if it is found to be faulty
- Replace the current sensor if it is determined to be defective
How to erase DTC P1A70 on BMW
To erase the DTC P1A70 fault code on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes from the vehicle’s memory
- After fixing the underlying issue, ensure that the repair is successful by driving the vehicle and rescanning for any remaining fault codes