OBD Guide

P208C

Reductant Pump A Control Circuit Low

P208C is an OBD-II diagnostic trouble code meaning: Reductant Pump A Control Circuit Low. Common causes: open or short circuit in the pump control circuit, malfunction of the reagent pump itself. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • The Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems starting the engine
  • Unpleasant exhaust smell

Causes

  • Open or short circuit in the pump control circuit
  • Malfunction of the reagent pump itself
  • Problems with the relay or circuit fuse
  • SCR control unit malfunction
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the continuity and voltage in the pump control circuit
  2. Inspect connectors and connections for corrosion or damage
  3. Check the functionality of the reagent pump
  4. Test relays and fuses associated with the circuit
  5. If necessary, replace the pump or repair the wiring

Related codes

Error P208C by Vehicle Brand

FAQ

What does the P208C code mean?

P208C is an OBD-II diagnostic trouble code that indicates: Reductant Pump A Control Circuit Low

What causes a P208C error code?

The most common causes of P208C include: Open or short circuit in the pump control circuit; Malfunction of the reagent pump itself; Problems with the relay or circuit fuse; SCR control unit malfunction.

How do I fix a P208C diagnostic trouble code?

To fix P208C: Check the continuity and voltage in the pump control circuit. Inspect connectors and connections for corrosion or damage. Check the functionality of the reagent pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P208C?

Yes, but get it checked soon

How much does it cost to fix P208C?

The estimated repair cost for P208C is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat