BMW DTC P0904 – Gate Select Position Circuit
DTC P0904 meaning on BMW
DTC P0904 on a BMW refers to an issue with the Gate Select Position Circuit. This diagnostic trouble code indicates that there is a malfunction in the circuit responsible for determining the position of the gear selector gate.
BMW DTC P0904 symptoms
Symptoms of DTC P0904 on a BMW may include:
- Difficulty shifting gears
- Incorrect gear display on the instrument cluster
- Transmission not engaging properly
BMW DTC P0904 causes
Common causes of DTC P0904 on a BMW include:
- Faulty gear selector position sensor
- Wiring or connector issues in the gate select position circuit
- Defective transmission control module
BMW DTC P0904 seriousness
DTC P0904 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault may result in transmission problems and could affect the overall performance of the vehicle.
How to diagnose DTC P0904 on BMW
To diagnose DTC P0904 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the gear selector position sensor and its wiring for any visible damage
- Check the transmission control module for any stored fault codes
How to fix DTC P0904 on BMW
To fix DTC P0904 on a BMW, the following steps may be taken:
- Replace the faulty gear selector position sensor
- Repair any damaged wiring or connectors in the gate select position circuit
- If necessary, replace the transmission control module
How to erase DTC P0904 on BMW
To erase DTC P0904 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s memory. Once the underlying issue has been addressed and fixed, the code can be erased to reset the system and ensure that the problem has been resolved.
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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