BMW DTC P1847 – Input/Turbine Shaft Speed Sensor Error Detection Implausible
DTC P1847 meaning on BMW
DTC P1847 on a BMW indicates an error detection implausible for the Input/Turbine Shaft Speed Sensor. This means that the signal received from the sensor is not within the expected range or is inconsistent with other sensor readings.
BMW DTC P1847 symptoms
Symptoms of DTC P1847 on a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. The Check Engine Light may also be illuminated on the dashboard.
BMW DTC P1847 causes
The possible causes of DTC P1847 on a BMW include a faulty Input/Turbine Shaft Speed Sensor, damaged wiring or connectors related to the sensor, or issues with the transmission control module.
BMW DTC P1847 seriousness
DTC P1847 should be taken seriously as it can lead to drivability issues and potential damage to the transmission if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P1847 on BMW
To diagnose DTC P1847 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer. They would then inspect the Input/Turbine Shaft Speed Sensor and its related wiring for any visible damage or issues. Testing the sensor’s output signal may also be necessary to confirm its functionality.
How to fix DTC P1847 on BMW
Fixing DTC P1847 on a BMW may involve replacing the faulty Input/Turbine Shaft Speed Sensor, repairing any damaged wiring or connectors, or addressing any issues with the transmission control module. Once the root cause of the error is identified, the necessary repairs or replacements can be carried out to resolve the issue.
How to erase DTC P1847 on BMW
After fixing the underlying issue causing DTC P1847 on a BMW, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC from the vehicle’s computer memory. It is important to ensure that the repairs have been successful before clearing the fault codes.
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.