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2009 RAM 1500

4.7L V8RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque4873Fluid7DTC866Battery1Maintenance0Recalls2
P0052low severityPowertrain

HO2S Heater Control Circuit High Bank 2 Sensor 1

on 2009 Ram 1500 4.7L V8 · RWD

What this code means

High voltage in the Bank 2 Sensor 1 O2 heater circuit.

Symptoms

  • Check Engine Light

Common causes

  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test voltage
  2. Check for shorts to power
  3. Test resistance

Repair notes

Repair or replace sensor.

Other Powertrain codes on this vehicle

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