BMW DTC P274E – Transmission Fluid Temperature Sensor ‘C’ Circuit Intermittent
DTC P274E meaning on BMW
DTC P274E indicates an intermittent issue with the Transmission Fluid Temperature Sensor ‘C’ circuit in a BMW vehicle. The Transmission Fluid Temperature Sensor ‘C’ is responsible for monitoring the temperature of the transmission fluid. An intermittent fault means that the issue is not constant and may come and go.
BMW DTC P274E symptoms
Symptoms of DTC P274E in a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. Additionally, the vehicle’s check engine light may illuminate, and there may be a decrease in fuel efficiency.
BMW DTC P274E causes
The intermittent nature of DTC P274E can be caused by various factors, such as a faulty Transmission Fluid Temperature Sensor ‘C’, damaged wiring or connectors in the sensor circuit, or issues with the transmission control module.
BMW DTC P274E seriousness
While DTC P274E may not always result in immediate drivability issues, it is essential to address this fault promptly. Ignoring the problem can lead to further damage to the transmission system and potentially result in costly repairs.
How to diagnose DTC P274E on BMW
To diagnose DTC P274E on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the Transmission Fluid Temperature Sensor ‘C’ circuit. This may involve checking the sensor’s resistance, inspecting wiring for damage, and ensuring proper connection to the transmission control module.
How to fix DTC P274E on BMW
Fixing DTC P274E on a BMW may involve replacing the Transmission Fluid Temperature Sensor ‘C’ if it is found to be faulty. Additionally, repairing any damaged wiring or connectors in the sensor circuit and ensuring proper connection to the transmission control module can help resolve the intermittent issue.
How to erase DTC P274E on BMW
Once the underlying issue causing DTC P274E has been addressed and fixed, the fault code can be cleared using a diagnostic scanner. By clearing the code, the check engine light will 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
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.