P1473 BMW Code - Diagnostic Module Tank Leakage Pump Current Plausibility
Quick Answer
P1473 BMW indicates Diagnostic Module Tank Leakage Pump Current Plausibility. Common causes include Faulty Diagnostic Module Tank Leakage Pump, Diagnostic Module Tank Leakage Pump harness is open or shorted, Diagnostic Module Tank Leakage 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 BMW indicates Diagnostic Module Tank Leakage Pump Current Plausibility.
- Common causes
- Common causes include Faulty Diagnostic Module Tank Leakage Pump, Diagnostic Module Tank Leakage Pump harness is open or shorted, Diagnostic Module Tank Leakage 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 BMW Description
What are the Possible Causes of the DTC P1473 BMW?
- Faulty Diagnostic Module Tank Leakage Pump
- Diagnostic Module Tank Leakage Pump harness is open or shorted
- Diagnostic Module Tank Leakage Pump circuit poor electrical connection
How to Fix the DTC P1473 BMW?
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 BMW 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 BMW Code
1. What does the OBDII code P1473 mean on a BMW?
P1473 indicates an issue with the Diagnostic Module Tank Leakage (DMTL) pump current plausibility, meaning the system detects an irregular electrical current in the tank leakage pump.
2. What are the common symptoms of BMW code P1473?
Symptoms may include an illuminated check engine light, poor fuel efficiency, difficulty passing emissions tests, or no noticeable symptoms in some cases.
3. What causes the P1473 code to appear on a BMW?
Common causes include a faulty DMTL pump, damaged wiring or connectors, a blown fuse, or issues with the fuel tank venting system.
4. Can I drive my BMW with a P1473 code?
While the vehicle may still drive normally, ignoring this code can lead to emissions system problems or a failed emissions test.
5. How can I diagnose a P1473 code on my BMW?
Diagnose by using an OBDII scanner to confirm the code, inspecting the DMTL pump and its wiring, and testing for proper pump operation and current draw.
6. How do I fix the P1473 fault code on my BMW?
Repairs may include replacing the DMTL pump, repairing damaged wiring, cleaning or replacing the pump connectors, or resetting the code after resolving the issue.
7. How much does it cost to fix a P1473 code on a BMW?
The cost depends on the root cause. Replacing the DMTL pump typically costs between $200 and $400, including parts and labor.
8. Can a faulty gas cap cause a P1473 code on a BMW?
While a loose or damaged gas cap is unlikely to cause this specific code, it can contribute to related emissions system issues.
9. Is the P1473 code unique to BMW vehicles?
Yes, the P1473 code is primarily associated with BMWs and relates to their specific DMTL system design.
10. Do I need to reset the ECU after fixing the P1473 code on my BMW?
Yes, after resolving the issue, use an OBDII scanner to clear the code and verify that it does not return.
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