BMW DTC P0705 – Transmission Range Sensor ‘A’ Circuit (PRNDL Input)
DTC P0705 meaning on BMW
The Diagnostic Trouble Code (DTC) P0705 for BMW refers to an issue with the Transmission Range Sensor ‘A’ Circuit, also known as the PRNDL input circuit. This code indicates that there is a malfunction in the circuit responsible for providing the transmission control module with information about the gear selector position.
BMW DTC P0705 symptoms
Symptoms of DTC P0705 on a BMW may include:
- Incorrect gear selection display on the instrument cluster
- Difficulty shifting gears
- Harsh shifting or erratic transmission behavior
- Vehicle may not start or move
BMW DTC P0705 causes
Common causes of DTC P0705 on a BMW include:
- Faulty transmission range sensor
- Wiring or connector issues in the circuit
- Corrosion or poor connections in the sensor circuit
- Internal transmission control module fault
BMW DTC P0705 seriousness
DTC P0705 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in transmission problems and could leave the vehicle inoperable.
How to diagnose DTC P0705 on BMW
To diagnose DTC P0705 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the transmission range sensor and its wiring for damage or corrosion
- Check the connector for proper connection and signs of wear
- Test the sensor’s output signal using a multimeter
- Verify the gear selector position matches the sensor readings
How to fix DTC P0705 on BMW
To fix DTC P0705 on a BMW, the following steps may be taken:
- Replace the faulty transmission range sensor
- Repair or replace damaged wiring or connectors in the circuit
- Clean any corrosion from the sensor connections
- Reset the fault code and test drive the vehicle to confirm the repair
How to erase DTC P0705 on BMW
To erase DTC P0705 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the code, clearing the code will reset the system and turn off the Check Engine Light.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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