Audi DTC P1471 – EVAP Emission Control LDP Circ Short to B+
DTC P1471 meaning on Audi
DTC P1471 on an Audi indicates a fault with the EVAP (Evaporative Emission Control) system Leak Detection Pump (LDP) circuit. Specifically, it signifies a short circuit to battery positive (B+).
Audi DTC P1471 symptoms
Symptoms of DTC P1471 on an Audi may include:
- Check Engine Light (MIL) illuminated
- Increased fuel consumption
- Issues with the vehicle’s emissions system
Audi DTC P1471 causes
The common causes of DTC P1471 on an Audi are:
- Faulty Leak Detection Pump (LDP)
- Short circuit in the LDP circuit to battery positive (B+)
- Wiring or connector issues in the EVAP system
Audi DTC P1471 seriousness
While DTC P1471 may not cause immediate drivability issues, it is important to address this fault promptly. Ignoring this fault can lead to increased emissions, potential environmental impact, and may cause the vehicle to fail emissions tests.
How to diagnose DTC P1471 on Audi
To diagnose DTC P1471 on an Audi, you can follow these steps:
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the LDP and its wiring for any visible damage or corrosion
- Check the LDP circuit for continuity and shorts to battery positive
- Inspect the EVAP system components for any signs of leaks or damage
How to fix DTC P1471 on Audi
To fix DTC P1471 on an Audi, you can perform the following steps:
- Replace the faulty Leak Detection Pump (LDP)
- Repair any damaged wiring or connectors in the LDP circuit
- Clear the fault code using an OBD-II scanner after the repair
How to erase DTC P1471 on Audi
To erase DTC P1471 on an Audi, you can use an OBD-II scanner to clear the fault code from the vehicle’s ECU. After performing the necessary repairs, ensure that the issue has been resolved before clearing the code.
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