P0058Low SeverityEmissions

HO2S Heater Circuit High (Bank 2, Sensor 2)

What This Means

The downstream oxygen sensor heater on bank 2 is showing higher voltage than expected. A short to battery voltage in the heater circuit is the most likely cause.

Common Symptoms

Check engine light on
No drivability issues
Increased emissions
May fail emissions test

Common Causes

Short to power
Failed sensor
Wiring issue
Connector problem
PCM output fault

Estimated Repair Cost

$100 – $400

Parts and labor (varies by vehicle and location)

Difficulty:Easy

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.