Audi DTC P1134 – O2 Sensor Heating Circuit, Bank1+2-Sensor2 Short to B+
DTC P1134 meaning on Audi
DTC P1134 for Audi indicates a fault with the O2 sensor heating circuit for Bank 1 and Bank 2, Sensor 2. This fault specifically points to a short circuit to battery positive (B+).
Audi DTC P1134 symptoms
Symptoms of DTC P1134 on an Audi may include poor fuel economy, rough idling, hesitation during acceleration, and an illuminated check engine light on the dashboard.
Audi DTC P1134 causes
The common causes of DTC P1134 on an Audi are a short circuit to battery positive in the O2 sensor heating circuit for Bank 1 and Bank 2, Sensor 2. This could be due to damaged wiring, a faulty O2 sensor, or a malfunctioning engine control module (ECM).
Audi DTC P1134 seriousness
While DTC P1134 may not cause immediate drivability issues, it can lead to poor engine performance and increased emissions. Ignoring this fault can potentially cause damage to the catalytic converter over time.
How to diagnose DTC P1134 on Audi
To diagnose DTC P1134 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the O2 sensor wiring and connections. Testing the O2 sensor and checking the ECM for proper operation may also be necessary.
How to fix DTC P1134 on Audi
Fixing DTC P1134 on an Audi involves locating and repairing the short circuit to battery positive in the O2 sensor heating circuit for Bank 1 and Bank 2, Sensor 2. This may require repairing or replacing damaged wiring, replacing the faulty O2 sensor, or reprogramming the ECM if needed.
How to erase DTC P1134 on Audi
Once the underlying issue causing DTC P1134 on an Audi has been resolved, the fault code can be cleared using a diagnostic scanner. By erasing the code, the check engine light will turn off, indicating that the fault has been addressed.
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