Turbo Boost Sensor Low
The MAXXFORCE-P0237-11 (MaxxForce) diesel fault code means: Turbo Boost Sensor Low. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $120-$400
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Common Symptoms
- CEL
- Intermittent derate
Probable Causes (Ranked by Likelihood)
- Failed MAP / boost sensor Likely
- Open wiring to boost sensor Possible
Step-by-Step Diagnostic Procedure
Check sensor 5V reference and ground.
Replace boost sensor.
Frequently Asked Questions
What is P0237 on a MaxxForce 11 (10.5L)?
P0237 on a MaxxForce 11 (10.5L) (2008-2014) indicates: Turbo Boost Sensor Low. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0237 on my MaxxForce?
Yes, you can generally drive with this code, but diagnose soon to prevent secondary damage.
How much does it cost to fix MaxxForce P0237?
Repair cost is typically $120-$400 depending on the underlying cause and shop rate. Many MaxxForce faults (especially EGR cooler, head bolt, and VGT repairs) are major expenses that drove fleet owners to repower with Cummins or retire these trucks early.