BMW DTC P071F – Transmission Mode Switch ‘B’ Circuit High
DTC P071F meaning on BMW
DTC P071F indicates a fault in the Transmission Mode Switch ‘B’ Circuit High for BMW vehicles. This fault code is specific to the transmission mode switch, which is responsible for informing the transmission control module about the selected gear range.
BMW DTC P071F symptoms
Symptoms of DTC P071F on a BMW may include issues with shifting gears, the transmission not engaging properly, or the vehicle going into limp mode. Additionally, the check engine light may illuminate on the dashboard.
BMW DTC P071F causes
The common causes of DTC P071F on BMW vehicles include a faulty transmission mode switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module.
BMW DTC P071F seriousness
Ignoring DTC P071F 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 P071F on BMW
To diagnose DTC P071F on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the transmission mode switch, wiring, and connectors. Testing the circuit for continuity and checking for any visible signs of damage can help pinpoint the cause of the issue.
How to fix DTC P071F on BMW
Fixing DTC P071F on a BMW may involve replacing the transmission mode switch if it is found to be faulty. Additionally, repairing any damaged wiring or connectors in the circuit and ensuring proper connection to the transmission control module can help resolve the issue.
How to erase DTC P071F on BMW
After fixing the underlying cause of DTC P071F on a BMW, the fault code can be erased using a diagnostic scanner. Clearing the code will reset the check engine light and allow the vehicle to operate normally again.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.