Audi DTC P1155 – Manifold Absolute Pressure Sensor Circuit Short to B+
DTC P1155 meaning on Audi
DTC P1155 on an Audi indicates a fault with the Manifold Absolute Pressure (MAP) sensor circuit. Specifically, it signifies that there is a short to battery positive (B+) in the circuit.
Audi DTC P1155 symptoms
Symptoms of DTC P1155 on an Audi may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Engine stalling or rough idling
- Poor fuel efficiency
Audi DTC P1155 causes
Common causes of DTC P1155 on an Audi include:
- Short circuit in the MAP sensor wiring
- Faulty MAP sensor
- Corrosion or poor connections in the sensor circuit
Audi DTC P1155 seriousness
While DTC P1155 may not cause immediate harm to the vehicle, it can lead to poor engine performance and reduced fuel efficiency if left unresolved. It is recommended to address this issue promptly.
How to diagnose DTC P1155 on Audi
To diagnose DTC P1155 on an Audi, you can perform the following steps:
- Use an OBD-II scanner to retrieve the fault code
- Inspect the MAP sensor wiring for any visible damage or shorts
- Test the MAP sensor using a multimeter to check for proper voltage and resistance
- Check for corrosion or poor connections in the sensor circuit
How to fix DTC P1155 on Audi
To fix DTC P1155 on an Audi, you can try the following solutions:
- Repair any damaged wiring in the MAP sensor circuit
- Replace the faulty MAP sensor with a new one
- Clean any corrosion and ensure proper connections in the sensor circuit
How to erase DTC P1155 on Audi
To erase DTC P1155 on an Audi, you can use an OBD-II scanner to clear the fault code. After addressing the underlying issue causing the fault code, you can reset the Check Engine Light and the DTC P1155 code.
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