OBD Guide

P20FE

Reductant Metering Unit 1 Performance

P20FE is an OBD-II diagnostic trouble code meaning: Reductant Metering Unit 1 Performance. Common causes: reagent dosing module malfunction, scr system injector clogged. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased urea consumption (AdBlue)
  • Unpleasant exhaust smell
  • SCR system error message on instrument panel

Causes

  • Reagent dosing module malfunction
  • SCR system injector clogged
  • Problems with wiring to the module
  • Poor quality or freezing of urea (AdBlue)
  • Malfunction of the SCR system control unit

How to Fix

  1. Check the level and quality of urea (AdBlue)
  2. Inspect the electrical connections of the dosing module
  3. Check the functionality of the dosing module
  4. Clean or replace the SCR system injector
  5. Test the SCR system control unit

Related codes

Error P20FE by Vehicle Brand

FAQ

What does the P20FE code mean?

P20FE is an OBD-II diagnostic trouble code that indicates: Reductant Metering Unit 1 Performance

What causes a P20FE error code?

The most common causes of P20FE include: Reagent dosing module malfunction; SCR system injector clogged; Problems with wiring to the module; Poor quality or freezing of urea (AdBlue).

How do I fix a P20FE diagnostic trouble code?

To fix P20FE: Check the level and quality of urea (AdBlue). Inspect the electrical connections of the dosing module. Check the functionality of the dosing module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P20FE?

Yes, but get it checked soon

How much does it cost to fix P20FE?

The estimated repair cost for P20FE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat