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P0062low severityPowertrain

HO2S Heater Control Circuit (Bank 2 Sensor 3)

on 2008 Dodge Viper 8.4L V10 · RWD

What this code means

The heater control circuit for bank 2 sensor 3 has a general fault. Sensor heating is impaired, delaying accurate readings.

Symptoms

  • Check engine light on
  • Failed emissions readiness
  • Minor fuel economy loss

Common causes

  • Faulty O2 sensor heater
  • Blown heater fuse
  • Wiring or connector damage
  • Failed PCM driver

Diagnostic steps

  1. Scan and confirm code
  2. Check heater circuit fuse
  3. Measure heater resistance and voltage
  4. Inspect wiring to sensor

Other Powertrain codes on this vehicle

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