OBD Guide
ENFRDEESPT

P103F

Reductant Pump Driver High Temperature

P103F is an OBD-II diagnostic trouble code meaning: Reductant Pump Driver High Temperature. Common causes: pump motor malfunction, blockage in the adblue supply system. 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 comes on
  • Reduced engine power
  • SCR System Error Message
  • Increased AdBlue consumption
  • Unusual noises from the reagent pump

Causes

  • Pump motor malfunction
  • Blockage in the AdBlue supply system
  • Problems with pump wiring or connectors
  • Low level or poor quality AdBlue
  • SCR control module malfunction

How to Fix

  1. Check AdBlue level and quality
  2. Diagnose the resistance of the pump windings
  3. Check the integrity of wiring and connectors
  4. Clean or replace SCR system filters
  5. If necessary, replace the reagent pump

Related codes

P103EP1040P20EE

FAQ

What does the P103F code mean?

P103F is an OBD-II diagnostic trouble code that indicates: Reductant Pump Driver High Temperature

What causes a P103F error code?

The most common causes of P103F include: Pump motor malfunction; Blockage in the AdBlue supply system; Problems with pump wiring or connectors; Low level or poor quality AdBlue.

How do I fix a P103F diagnostic trouble code?

To fix P103F: Check AdBlue level and quality. Diagnose the resistance of the pump windings. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P103F?

Yes, but get it checked soon

How much does it cost to fix P103F?

The estimated repair cost for P103F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat