OBD Guide
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P1470

Leakage Diagnostic Pump Control Circuit Electrical

P1470 is an OBD-II diagnostic trouble code meaning: Leakage Diagnostic Pump Control Circuit Electrical. Common causes: open or short circuit in the pump control circuit, leak diagnostic pump malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible problems starting the engine
  • Increased fuel consumption
  • Engine failures
  • Unstable idle speed

Causes

  • Open or short circuit in the pump control circuit
  • Leak diagnostic pump malfunction
  • Poor contact in circuit connectors
  • Pump relay problems
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the pump control circuit
  2. Check the condition of connectors and contacts
  3. Test the performance of the leak diagnostic pump
  4. Check pump relay (if equipped)
  5. If necessary, replace the leakage diagnostic pump

Related codes

P0440P0442P0455

Error P1470 by Vehicle Brand

BMWMercedes-BenzVolkswagen

FAQ

What does the P1470 code mean?

P1470 is an OBD-II diagnostic trouble code that indicates: Leakage Diagnostic Pump Control Circuit Electrical

What causes a P1470 error code?

The most common causes of P1470 include: Open or short circuit in the pump control circuit; Leak diagnostic pump malfunction; Poor contact in circuit connectors; Pump relay problems.

How do I fix a P1470 diagnostic trouble code?

To fix P1470: Check the integrity of the pump control circuit. Check the condition of connectors and contacts. Test the performance of the leak diagnostic pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1470?

Yes, but get it checked soon

How much does it cost to fix P1470?

The estimated repair cost for P1470 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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