BMW DTC P1475 – Leakage Diagnostic Pump Reed Switch Did not Close
DTC P1475 meaning on BMW
DTC P1475 on a BMW indicates that the Leakage Diagnostic Pump Reed Switch did not close properly. The Leakage Diagnostic Pump is a component of the vehicle’s evaporative emissions system, which is responsible for capturing and storing fuel vapors to prevent them from escaping into the atmosphere.
BMW DTC P1475 symptoms
Symptoms of DTC P1475 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Strong fuel odor
BMW DTC P1475 causes
The common causes of DTC P1475 on a BMW include:
- Faulty Leakage Diagnostic Pump Reed Switch
- Wiring issues in the evaporative emissions system
- Evaporative emissions system leaks
BMW DTC P1475 seriousness
While DTC P1475 may not cause immediate drivability issues, it is important to address this fault promptly to prevent potential environmental impact and ensure the vehicle’s emissions system is functioning correctly.
How to diagnose DTC P1475 on BMW
To diagnose DTC P1475 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the Leakage Diagnostic Pump Reed Switch for proper operation
- Check the wiring and connections in the evaporative emissions system
- Perform a smoke test to detect any leaks in the system
How to fix DTC P1475 on BMW
To fix DTC P1475 on a BMW, the following steps may be taken:
- Replace the faulty Leakage Diagnostic Pump Reed Switch
- Repair any damaged wiring or connections in the evaporative emissions system
- Address any leaks in the evaporative emissions system
How to erase DTC P1475 on BMW
After the issue causing DTC P1475 on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC from the vehicle’s memory.
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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