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2011 AUDI TT

2.0L Turbo I4AWDDCTgasturbo
Repairs0Labor507Torque5045Fluid9DTC894Battery0Maintenance0Recalls0
P0032low severityPowertrain

HO2S Heater Control Circuit High Bank 1 Sensor 1

on 2011 Audi TT 2.0L Turbo I4 · AWD

What this code means

The voltage in the Bank 1 Sensor 1 O2 heater circuit is higher than expected.

Symptoms

  • Check Engine Light
  • Possible heater staying on too long

Common causes

  • Short to power in heater circuit
  • Faulty O2 sensor
  • Relay stuck closed

Diagnostic steps

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

Repair notes

Repair short to power or replace O2 sensor.

Other Powertrain codes on this vehicle

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