P0057low severityPowertrain
HO2S Heater Control Circuit Low Bank 2 Sensor 2
on 2013 Audi S5 3.0L Supercharged V6 · AWD
What this code means
Low voltage in the Bank 2 Sensor 2 O2 heater circuit.
Symptoms
- Check Engine Light
Common causes
- Short to ground
- Faulty sensor
Diagnostic steps
- Test voltage
- Check for shorts
Repair notes
Repair or replace.
Other Powertrain codes on this vehicle
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P0010
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P0014
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P0015
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