OBD Guide

P208A

Reductant Pump A Control Circuit/Open

P208A is an OBD-II diagnostic trouble code meaning: Reductant Pump A Control Circuit/Open. Common causes: open or short circuit in the pump wiring harness, pump solenoid valve malfunction. 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 Is On
  • Reduced engine power
  • Increased fuel consumption
  • SCR system error message on dashboard
  • Unpleasant exhaust smell

Causes

  • Open or short circuit in the pump wiring harness
  • Pump solenoid valve malfunction
  • Pump control relay problems
  • Corrosion of electrical connectors
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the reagent pump wiring harness
  2. Test the resistance of the pump winding
  3. Check the voltage at the pump connector
  4. Inspect and clean electrical contacts
  5. If necessary, replace the reagent pump

Related codes

Error P208A by Vehicle Brand

FAQ

What does the P208A code mean?

P208A is an OBD-II diagnostic trouble code that indicates: Reductant Pump A Control Circuit/Open

What causes a P208A error code?

The most common causes of P208A include: Open or short circuit in the pump wiring harness; Pump solenoid valve malfunction; Pump control relay problems; Corrosion of electrical connectors.

How do I fix a P208A diagnostic trouble code?

To fix P208A: Check the integrity of the reagent pump wiring harness. Test the resistance of the pump winding. Check the voltage at the pump connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P208A?

Yes, but get it checked soon

How much does it cost to fix P208A?

The estimated repair cost for P208A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat