BMW DTC P071E – Transmission Mode Switch ‘B’ Circuit Low
DTC P071E meaning on BMW
The DTC P071E code on a BMW indicates a problem with the Transmission Mode Switch ‘B’ Circuit being detected as low. This switch is responsible for informing the transmission control module about the selected gear range.
BMW DTC P071E symptoms
Symptoms of the DTC P071E code on a BMW may include issues with shifting gears, the transmission staying in one gear, or the transmission not engaging properly. The vehicle may also experience poor acceleration or a decrease in fuel efficiency.
BMW DTC P071E causes
The common causes of the DTC P071E code on a BMW include a faulty transmission mode switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module.
BMW DTC P071E seriousness
Ignoring the DTC P071E code on a BMW can lead to further transmission problems and potential safety hazards. It is important to address this issue promptly to prevent any long-term damage to the transmission system.
How to diagnose DTC P071E on BMW
To diagnose the DTC P071E code on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the transmission control module. They would then inspect the transmission mode switch, wiring, and connectors for any visible damage or loose connections.
How to fix DTC P071E on BMW
Fixing the DTC P071E code on a BMW may involve replacing the faulty transmission mode switch, repairing any damaged wiring or connectors, or reprogramming the transmission control module. It is recommended to follow the manufacturer’s repair procedures to ensure a proper fix.
How to erase DTC P071E on BMW
After fixing the underlying issue causing the DTC P071E code on a BMW, the code can be erased using a diagnostic scanner. By clearing the fault codes, the vehicle’s onboard computer will reset and monitor the system for any recurring issues.
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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