BMW DTC P1473 – Diagnostic Module Tank Leckage (DM-TL) Pump Current Plausibility
DTC P1473 meaning on BMW
The Diagnostic Trouble Code (DTC) P1473 for BMW refers to an issue with the Diagnostic Module Tank Leakage (DM-TL) pump current plausibility. This code indicates that there is a problem with the current being drawn by the DM-TL pump, which is responsible for monitoring the fuel tank for leaks.
BMW DTC P1473 symptoms
Symptoms of BMW DTC P1473 may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough
- Strong fuel odor
BMW DTC P1473 causes
Common causes of BMW DTC P1473 include:
- Faulty DM-TL pump
- Wiring issues
- ECU (Engine Control Unit) malfunction
- Leaking fuel system
BMW DTC P1473 seriousness
Ignoring BMW DTC P1473 can lead to potential safety hazards and environmental concerns. A malfunctioning DM-TL pump can result in fuel leaks, which pose a fire risk and can also harm the environment.
How to diagnose DTC P1473 on BMW
To diagnose BMW DTC P1473, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the DM-TL pump and associated wiring for any visible damage
- Test the DM-TL pump’s current draw using a multimeter
- Check for any fuel leaks in the system
How to fix DTC P1473 on BMW
To fix BMW DTC P1473, the following steps may be taken:
- Replace the faulty DM-TL pump
- Repair any damaged wiring or connectors
- If the ECU is faulty, it may need to be reprogrammed or replaced
- Ensure there are no fuel leaks in the system
How to erase DTC P1473 on BMW
To erase BMW DTC P1473, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made, the code can be reset, and the Check Engine Light should turn off if the issue has been resolved successfully.