BMW DTC P0937 – Hydraulic Oil Temperature Sensor Circuit
DTC P0937 meaning on BMW
The Diagnostic Trouble Code (DTC) P0937 for BMW indicates a problem with the hydraulic oil temperature sensor circuit. This code is triggered when the powertrain control module (PCM) detects a voltage signal from the hydraulic oil temperature sensor that is outside the expected range.
BMW DTC P0937 symptoms
Symptoms of DTC P0937 on a BMW may include issues with the transmission shifting erratically, decreased fuel efficiency, and in some cases, the vehicle may go into a limp mode to prevent further damage.
BMW DTC P0937 causes
The common causes of DTC P0937 on a BMW include a faulty hydraulic oil temperature sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning PCM.
BMW DTC P0937 seriousness
While DTC P0937 may not always result in immediate drivability issues, it is important to address this problem promptly to prevent potential damage to the transmission system and ensure optimal vehicle performance.
How to diagnose DTC P0937 on BMW
To diagnose DTC P0937 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the PCM. They would then inspect the hydraulic oil temperature sensor, wiring, and connectors for any visible damage or corrosion. Testing the sensor’s resistance and voltage output may also be necessary to pinpoint the issue accurately.
How to fix DTC P0937 on BMW
The most common fix for DTC P0937 on a BMW involves replacing the faulty hydraulic oil temperature sensor. Additionally, repairing any damaged wiring or connectors in the sensor circuit and ensuring proper connections can help resolve the issue. In some cases, reprogramming or replacing the PCM may be necessary.
How to erase DTC P0937 on BMW
Once the underlying issue causing DTC P0937 on a BMW has been addressed and fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the PCM and turn off the Check Engine Light. It is important to verify that the issue has been resolved by performing a test drive and ensuring that the code does not return.
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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