OBD Guide

P2062

Reductant/Regeneration Supply Control Circuit/Open

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Possible transition to emergency mode
  • Ammonia smell from exhaust system

Causes

  • Broken wires in the control circuit
  • Reagent supply solenoid valve malfunction
  • Wiring harness damage
  • SCR control module malfunction
  • Corrosion of electrical contacts

How to Fix

  1. Check the integrity of the SCR system wiring harness
  2. Check control circuit resistance
  3. Inspect connectors and contacts for corrosion
  4. Check the functionality of the reagent supply solenoid valve
  5. Diagnose the SCR control module if necessary

Related codes

Error P2062 by Vehicle Brand