OBD-II Code · Sensors
P0237
Turbo Boost Sensor A Low
medium severitySafe to drive$150-$400
Boost sensor voltage low.
Common symptoms
- CEL
- Reduced power
Likely causes
- Failed sensor
- Wiring short to ground
Where to start
- Try the cheapest cause first. Start by checking: failed sensor.
- Cost & scope. $150-$400
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
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