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P0237 — Turbocharger Boost Sensor A Circuit Low
CautionTurbo/BoostLimp to the next safe stop
Seen on: Heavy Truck
Turbocharger Boost Sensor A Circuit Low. Common causes: Sensor shorted to ground.
Don't risk it — get a diesel tech on the truck.
Look up listed providers near you and give them this code when you call.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- Sensor shorted to ground
- Damaged wiring
First moves (roadside)
- Check sensor signal voltage at idle
- should read above 0.5V
FAQ
What does P0237 mean?
Turbocharger Boost Sensor A Circuit Low. Common causes: Sensor shorted to ground.
How serious is P0237?
Caution — Limp to the next safe stop.
What's the most likely cause of P0237?
The most common cause is: Sensor shorted to ground. Other possibilities include Damaged wiring.
Can I keep driving with P0237?
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
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General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.