HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
Usually safe to drive short-term, but diagnose soon.
Quick Answer
P0037 means “HO2S Heater Control Circuit Low (Bank 1 Sensor 2).” Severity: Low. Estimated repair cost: $100 - $250. Most common sign: CEL only.
What Does P0037 Mean?
Common Symptoms
Possible Causes
How to Fix P0037 – Repair Guide
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Budgeting for This Repair?
A typical P0037 repair runs about $100 - $250. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).
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