P1473 Audi Code - EVAP Control System LDP Open Circuit
Quick Answer
P1473 Audi indicates EVAP Control System LDP Open Circuit. Common causes include Faulty Leak Detection Pump (LDP), Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1473 Audi indicates EVAP Control System LDP Open Circuit.
- Common causes
- Common causes include Faulty Leak Detection Pump (LDP), Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1473 Audi Description
What are the Possible Causes of the DTC P1473 Audi?
- Faulty Leak Detection Pump (LDP)
- Leak Detection Pump harness is open or shorted
- Leak Detection Pump circuit poor electrical connection
How to Fix the DTC P1473 Audi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1473 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1473 Audi Code
1. What does the OBDII code P1473 mean on an Audi?
P1473 indicates an issue with the EVAP Control System Leak Detection Pump (LDP), specifically an open circuit, meaning there is an electrical fault in the LDP circuit.
2. What are the symptoms of a P1473 code?
Common symptoms include an illuminated check engine light, possible fuel smell near the vehicle, and failed emissions tests. There may be no noticeable performance issues.
3. What causes the P1473 code in an Audi?
Typical causes include a damaged or disconnected wiring harness, a faulty Leak Detection Pump (LDP), corroded electrical connectors, or a blown fuse in the EVAP system circuit.
4. Can a P1473 code cause drivability issues?
No, this code usually does not directly affect drivability but can lead to increased emissions and may prevent the vehicle from passing emissions tests.
5. How can I diagnose the P1473 trouble code?
Start by inspecting the wiring and connectors for the LDP for damage or corrosion, testing the LDP for proper operation, and checking the corresponding fuse for the circuit.
6. How do I fix a P1473 EVAP Control System LDP Open Circuit code?
Repairs may include replacing damaged wiring, cleaning or replacing corroded connectors, replacing the Leak Detection Pump if faulty, or replacing a blown fuse.
7. How much does it cost to fix a P1473 code on an Audi?
Repair costs vary but typically range from $100 to $500 depending on whether the issue is with wiring, connectors, or the Leak Detection Pump itself.
8. Can I drive my Audi with a P1473 code?
While the car may still be drivable, it is recommended to address the issue promptly to avoid potential emissions problems and to ensure compliance with environmental regulations.
9. What tools are needed to diagnose and repair a P1473 code?
You’ll need an OBDII scanner, a multimeter to test electrical circuits, and possibly basic tools like a socket set for accessing the LDP and wiring.
10. Will clearing the P1473 code fix the problem?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
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