P0060low severityPowertrain
HO2S Heater Resistance (Bank 2 Sensor 2)
on 2009 Audi A3 2.0L TDI · FWD
What this code means
The heater resistance of the downstream oxygen sensor on bank 2 is outside the expected range. Sensor warm-up may be delayed.
Symptoms
- Check engine light on
- Failed emissions readiness
- Minor fuel economy loss
Common causes
- Aged or faulty O2 sensor heater
- Corroded connector
- Wiring resistance issue
- Failed PCM driver
Diagnostic steps
- Scan and confirm code
- Measure heater element resistance
- Compare to specification
- Inspect wiring and connectors
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