BMW DTC P0906 – Gate Select Position Circuit Low
DTC P0906 meaning on BMW
DTC P0906 on a BMW refers to the Gate Select Position Circuit Low. This diagnostic trouble code indicates that the transmission control module has detected a low voltage signal from the gate select position sensor circuit.
BMW DTC P0906 symptoms
Symptoms of DTC P0906 on a BMW may include issues with shifting gears, erratic shifting behavior, transmission slipping, or the transmission not engaging properly. The vehicle may also go into a limp mode to prevent further damage.
BMW DTC P0906 causes
The causes of DTC P0906 on a BMW can vary, but common reasons include a faulty gate select position sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning transmission control module.
BMW DTC P0906 seriousness
DTC P0906 should be taken seriously as it can lead to drivability issues and potential transmission damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P0906 on BMW
To diagnose DTC P0906 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the transmission control module. They would then inspect the gate select position sensor, wiring, and connectors for any visible damage or corrosion. Testing the sensor’s voltage and resistance may also be necessary to pinpoint the issue accurately.
How to fix DTC P0906 on BMW
Fixing DTC P0906 on a BMW may involve replacing the faulty gate select position sensor, repairing any damaged wiring or connectors, or reprogramming the transmission control module if needed. It is essential to follow the manufacturer’s repair procedures and use quality replacement parts to ensure a proper fix.
How to erase DTC P0906 on BMW
Once the underlying issue causing DTC P0906 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will erase the code from the transmission control module’s memory and reset the system. It is important to verify that the issue has been fixed before clearing the fault codes to prevent them from reoccurring.
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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