OBD Guide

P2D1E

Reductant System Leak Detected - Large Leak

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–222 (est.)

Symptoms

  • Check Engine light comes on
  • SCR system error message on dashboard
  • Reduced engine power
  • Increased reagent consumption
  • Smell of urea under the car

Causes

  • Damage to the reagent tank
  • Cracks in SCR system pipelines
  • Leaky connections in the system
  • Reagent level sensor malfunction
  • Damage to the SCR system pump

How to Fix

  1. Visual inspection of the SCR system for leaks
  2. Checking the tightness of pipeline connections
  3. Diagnostics of the reagent level sensor
  4. Replacing damaged system components
  5. Resetting the error and checking the system operation

Related codes

Error P2D1E by Vehicle Brand