P24CE

Reductant Tank Cap Switch Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine Light Is On
AdBlue error message on the dashboard
Reduced engine power (in some cases)
Increased fuel consumption
Problems with passing inspection due to emissions

Causes

AdBlue tank cap sensor faulty
Short circuit in the sensor circuit
Broken or damaged wiring
Oxidation of contacts in connectors
Problems with the SCR control unit

How to Fix

Check the condition of the AdBlue tank cap and its sensor
Carry out diagnostics of the sensor circuit (resistance, voltage)
Inspect wiring and connectors for damage
If necessary, replace the sensor or tank cap
Reset the error and check if it appears again

Related codes

P24CD P24CF P20EE