Audi P3211: Exhaust-Heater Return Connection (Bank 1 - Sensor 1)
Is your scanner showing Audi P3211?
No worries. We'll show you what it means and how to deal with it.
Audi P3211: Exhaust-Heater Return Connection (Bank 1 - Sensor 1)
OVERVIEWWhat Does The Audi P3211 Code Mean?
Condition for setting the DTC:
Exhaust temp. –300-700° C. Sensor voltage –3.7-4.84 V. Dew point – Exceeded
What Are The Potential Causes Of The Audi P3211 Code?
Below are some potential causes of this DTC:
- Check activation of Recirculation Pump Relay
- Oxygen sensor (before catalytic converter) is faulty
- Oxygen sensor (behind catalytic converter) is faulty
- Oxygen sensor heater (before catalytic converter) is faulty
- Oxygen sensor heater (behind catalytic converter) is faulty
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> A-Premium O2 Oxygen Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi P3211, DTCDECODE.
