OBD Guide

P2062

Reductant/Regeneration Supply Control Circuit/Open

P2062 is an OBD-II diagnostic trouble code meaning: Reductant/Regeneration Supply Control Circuit/Open. Common causes: broken wires in the control circuit, reagent supply solenoid valve malfunction. Estimated repair cost: $17–89.

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

FAQ

What does the P2062 code mean?

P2062 is an OBD-II diagnostic trouble code that indicates: Reductant/Regeneration Supply Control Circuit/Open

What causes a P2062 error code?

The most common causes of P2062 include: Broken wires in the control circuit; Reagent supply solenoid valve malfunction; Wiring harness damage; SCR control module malfunction.

How do I fix a P2062 diagnostic trouble code?

To fix P2062: Check the integrity of the SCR system wiring harness. Check control circuit resistance. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2062?

Yes, but get it checked soon

How much does it cost to fix P2062?

The estimated repair cost for P2062 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat