BMW DTC P0718 – Input/Turbine Shaft Speed Sensor ‘A’ Circuit Intermittent
DTC P0718 meaning on BMW
The Diagnostic Trouble Code (DTC) P0718 for BMW refers to an issue with the Input/Turbine Shaft Speed Sensor ‘A’ circuit. This code indicates that there is an intermittent problem with the sensor circuit, which is responsible for monitoring the speed of the input or turbine shaft in the transmission.
BMW DTC P0718 symptoms
Symptoms of DTC P0718 on a BMW may include erratic shifting behavior, delayed engagement when shifting gears, harsh shifting, or even the transmission going into a limp mode. The Check Engine Light may also illuminate on the dashboard.
BMW DTC P0718 causes
The intermittent nature of the DTC P0718 on a BMW can be caused by various factors, including a faulty input/turbine shaft speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the transmission control module.
BMW DTC P0718 seriousness
Ignoring or neglecting DTC P0718 on a BMW can lead to further transmission problems and potential damage. It is important to address this issue promptly to prevent more severe issues and ensure the proper functioning of the transmission system.
How to diagnose DTC P0718 on BMW
To diagnose DTC P0718 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the input/turbine shaft speed sensor and its wiring. Testing the sensor’s resistance and checking for any loose connections or damaged wires can help pinpoint the cause of the issue.
How to fix DTC P0718 on BMW
Fixing DTC P0718 on a BMW may involve replacing the input/turbine shaft speed sensor if it is found to be faulty. Additionally, repairing any damaged wiring or connectors in the sensor circuit and ensuring proper connections can help resolve the intermittent issue. In some cases, reprogramming or replacing the transmission control module may be necessary.
How to erase DTC P0718 on BMW
Once the underlying issue causing DTC P0718 on a BMW has been addressed and fixed, the fault code can be cleared using a diagnostic scanner. By erasing the code, the Check Engine Light should turn off, indicating 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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