P1470 – BMW DTC

BMW DTC P1470 – Leakage Diagnostic Pump Control Circuit Electrical

DTC P1470 meaning on BMW

DTC P1470 on a BMW refers to a fault in the Leakage Diagnostic Pump Control Circuit Electrical. This code indicates an issue with the electrical circuit that controls the leakage diagnostic pump in the vehicle’s evaporative emissions system.

BMW DTC P1470 symptoms

Symptoms of DTC P1470 in a BMW may include:

• Check Engine Light illuminated on the dashboard
• Decreased fuel efficiency
• Increased emissions
• Strange noises coming from the emissions system

BMW DTC P1470 causes

The common causes of DTC P1470 in a BMW include:

• Faulty leakage diagnostic pump
• Wiring issues in the control circuit
• Corrosion or poor connections in the electrical system

BMW DTC P1470 seriousness

While DTC P1470 may not cause immediate drivability issues, it is important to address this fault promptly. Ignoring this code can lead to increased emissions, reduced fuel efficiency, and potential long-term damage to the vehicle’s emissions system.

How to diagnose DTC P1470 on BMW

To diagnose DTC P1470 on a BMW, you can follow these steps:

1. Use an OBD-II scanner to retrieve the fault code
2. Inspect the wiring and connections related to the leakage diagnostic pump
3. Test the leakage diagnostic pump for proper operation
4. Check for any signs of corrosion or damage in the electrical system

How to fix DTC P1470 on BMW

To fix DTC P1470 on a BMW, you may need to:

1. Replace the faulty leakage diagnostic pump
2. Repair or replace any damaged wiring or connections in the control circuit
3. Clean or repair any corroded components in the electrical system
4. Clear the fault code and reset the Check Engine Light

How to erase DTC P1470 on BMW

To erase DTC P1470 on a BMW, you can:

1. Use an OBD-II scanner to clear the fault code
2. Disconnect the vehicle’s battery for a few minutes to reset the system
3. Address and fix the underlying issue causing the fault code

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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