BMW DTC P1472 – Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Circuit Electrical
DTC P1472 meaning on BMW
The Diagnostic Trouble Code (DTC) P1472 for BMW refers to an issue with the Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Circuit Electrical. This code indicates a malfunction in the electrical circuit that controls the switching solenoid of the DM-TL system, which is responsible for monitoring the fuel vapor emissions from the fuel tank.
BMW DTC P1472 symptoms
Symptoms of DTC P1472 on a BMW may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Increased fuel consumption
- Difficulty starting the engine
- Reduced engine performance
BMW DTC P1472 causes
Common causes of DTC P1472 on a BMW include:
- Faulty DM-TL switching solenoid
- Wiring or connector issues in the solenoid control circuit
- ECU (Engine Control Unit) software malfunction
BMW DTC P1472 seriousness
While DTC P1472 may not cause immediate drivability issues, it is important to address this code promptly to prevent potential damage to the emissions control system and ensure optimal engine performance. Ignoring this code may lead to increased emissions and potential regulatory compliance issues.
How to diagnose DTC P1472 on BMW
To diagnose DTC P1472 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECU
- Inspect the DM-TL system components for any visible damage or loose connections
- Test the DM-TL switching solenoid and its control circuit for proper operation
- Check the ECU for any software updates or malfunctions
How to fix DTC P1472 on BMW
To fix DTC P1472 on a BMW, the following steps may be taken:
- Replace the faulty DM-TL switching solenoid if necessary
- Repair any damaged wiring or connectors in the solenoid control circuit
- Update the ECU software to the latest version, if applicable
- Clear the fault codes from the ECU memory after completing the repairs
How to erase DTC P1472 on BMW
To erase DTC P1472 on a BMW, the fault codes can be cleared using a diagnostic scanner or by disconnecting the vehicle’s battery for a few minutes. After the repairs have been made to address the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and ensure that the system is functioning properly.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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