OBD Guide

P2061

Reductant Injection Air Pump Control Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reducing engine power (Limp Home mode)
  • Increased fuel consumption
  • SCR system malfunction message appears
  • High NOx emissions

Causes

  • Short circuit in pump control circuit
  • Reagent injection pump malfunction
  • Pump relay problems
  • SCR control module malfunction
  • Wiring harness damage

How to Fix

  1. Check the condition of the wiring harness and connectors of the SCR system
  2. Measure resistance and voltage in the pump circuit
  3. Check the functionality of the pump relay
  4. Test the reagent injection pump
  5. Check the serviceability of the SCR control module
  6. Reset the error and test the system

Related codes

Error P2061 by Vehicle Brand