BMW DTC P0237 – Turbocharger/Supercharger Boost Sensor ‘A’ Circuit Low
DTC P0237 meaning on BMW
The Diagnostic Trouble Code (DTC) P0237 for BMW refers to the Turbocharger/Supercharger Boost Sensor ‘A’ Circuit Low. This code indicates that the signal from the boost sensor is lower than the expected range, potentially leading to issues with the turbocharger or supercharger system.
BMW DTC P0237 symptoms
Symptoms of DTC P0237 on a BMW may include reduced engine power, poor acceleration, hesitation or surging during acceleration, increased fuel consumption, and in some cases, the vehicle may go into a limp mode to prevent further damage.
BMW DTC P0237 causes
The causes of DTC P0237 on a BMW can vary and may include a faulty boost sensor, damaged wiring or connectors in the boost sensor circuit, a clogged air filter restricting airflow, a malfunctioning turbocharger or supercharger, or issues with the engine control module (ECM).
BMW DTC P0237 seriousness
DTC P0237 should be taken seriously as it can lead to reduced engine performance and potential long-term damage to the turbocharger or supercharger system. Ignoring this code may result in costly repairs and decreased fuel efficiency.
How to diagnose DTC P0237 on BMW
To diagnose DTC P0237 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and then inspect the boost sensor, wiring, and connectors for any visible damage. They may also perform a boost pressure test to determine if the turbocharger or supercharger is functioning correctly.
How to fix DTC P0237 on BMW
Fixing DTC P0237 on a BMW may involve replacing the boost sensor if it is found to be faulty, repairing any damaged wiring or connectors, cleaning or replacing the air filter, inspecting and potentially repairing the turbocharger or supercharger, and resetting the fault code.
How to erase DTC P0237 on BMW
To erase DTC P0237 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code after the underlying issue has been addressed and fixed. This will reset the system and allow the vehicle to operate normally without the error code.
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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