OBD Guide

P20FD

Reductant Pump B Control Circuit High

P20FD is an OBD-II diagnostic trouble code meaning: Reductant Pump B Control Circuit High. Common causes: reagent pump malfunction, open or short circuit in control circuit. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Possible transition to emergency mode
  • Increased fuel consumption
  • SCR system error message on dashboard

Causes

  • Reagent pump malfunction
  • Open or short circuit in control circuit
  • Wiring Harness Problems
  • Control module malfunction
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the pump control circuit
  2. Check connectors and contacts for corrosion
  3. Check the functionality of the reagent pump
  4. Check control circuit voltage
  5. If necessary, replace the pump or repair the wiring

Related codes

Error P20FD by Vehicle Brand

FAQ

What does the P20FD code mean?

P20FD is an OBD-II diagnostic trouble code that indicates: Reductant Pump B Control Circuit High

What causes a P20FD error code?

The most common causes of P20FD include: Reagent pump malfunction; Open or short circuit in control circuit; Wiring Harness Problems; Control module malfunction.

How do I fix a P20FD diagnostic trouble code?

To fix P20FD: Check the integrity of the pump control circuit. Check connectors and contacts for corrosion. Check the functionality of the reagent pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P20FD?

Yes, but get it checked soon

How much does it cost to fix P20FD?

The estimated repair cost for P20FD is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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