OBD Guide

P208D

Reductant Pump A Control Circuit High

P208D is an OBD-II diagnostic trouble code meaning: Reductant Pump A Control Circuit High. Common causes: short circuit to power in the pump control circuit, reagent pump malfunction. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Possible SCR system error messages
  • Increased fuel consumption
  • Unpleasant exhaust smell

Causes

  • Short circuit to power in the pump control circuit
  • Reagent pump malfunction
  • Damage to wiring or connectors
  • Problems with the SCR control unit
  • Corrosion of contacts in the control circuit

How to Fix

  1. Check pump control circuit for short circuit
  2. Check the resistance and operation of the reagent pump
  3. Inspect connectors and wiring for damage
  4. Check control circuit fuses and relays
  5. If necessary, replace the reagent pump

Related codes

Error P208D by Vehicle Brand

FAQ

What does the P208D code mean?

P208D is an OBD-II diagnostic trouble code that indicates: Reductant Pump A Control Circuit High

What causes a P208D error code?

The most common causes of P208D include: Short circuit to power in the pump control circuit; Reagent pump malfunction; Damage to wiring or connectors; Problems with the SCR control unit.

How do I fix a P208D diagnostic trouble code?

To fix P208D: Check pump control circuit for short circuit. Check the resistance and operation of the reagent pump. Inspect connectors and wiring for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P208D?

Yes, but get it checked soon

How much does it cost to fix P208D?

The estimated repair cost for P208D is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat