What does code P0237 mean?
Low signal detected from boost sensor A
OBD-II Code
P0237 — Turbocharger Boost Sensor A Circuit Low Input
Low signal detected from boost sensor A
Common symptoms
- Poor performance
- turbo not engaging
- lean mixture
Possible causes
- Disconnected hose
- faulty sensor
- intercooler leak
Initial recommendation
Check connections, inspect leaks and test sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0237 with your vehicle's actual symptoms for more complete diagnostic guidance.
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