P202D

Reductant Leakage

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Smell of urea in the engine compartment
Increased consumption of AdBlue reagent
SCR error message on dashboard

Causes

Damage to SCR system pipelines
Leaky connections in the AdBlue injection system
Reagent pump malfunction
Damage to the AdBlue injection nozzle
Corrosion of SCR system components

How to Fix

Visual inspection of the SCR system for leaks
Checking the tightness of pipeline connections
Reagent pump testing
Checking the operation of the AdBlue injection nozzle
Replacing damaged system components

Related codes

P202C P20EE P204F