P24B3

Particulate Matter Sensor Heater Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$50–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Deterioration in acceleration dynamics
Increased fuel consumption
Possible problems when passing technical inspection

Causes

Broken heater circuit wires
Sensor heating element defective
Faulty relay or fuse
Problems with the engine control unit (ECU)
Corrosion of contacts or connectors

How to Fix

Check the integrity of the heater circuit fuse
Inspect the wiring harness for damage
Check the resistance of the heating element
Diagnose the operation of the control unit
If necessary, replace the soot sensor

Related codes

P24B0 P24B1 P24B2