P20CD

Exhaust Aftertreatment Fuel Injector A Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Increased emissions of harmful substances
Reduced engine power
Possible transition to emergency mode
SCR System Error Message

Causes

Open circuit in the injector control circuit
Short circuit to ground
SCR system injector malfunction
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the integrity of the injector control circuit
Check injector resistance
Inspect the wiring harness for damage
Check connections and connectors
If necessary, replace the SCR system injector

Related codes

P20CE P20CF P20D0