P24FCParticulate Matter Sensor Heater Control Circuit Driver Current/Temperature Too High
The PM (soot) sensor heater is driven by a current-limited stage so it can burn off accumulated soot before each measurement. The driver reports current or junction temperature above the safe limit and disables itself. Often a partial short across the heater or sensor element after coolant intrusion.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Possible Causes
The components or conditions that trigger this code
- 1Partial short across the heater element Driver overheating due to poor cooling on the module
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.6-2.5 hours. Estimated cost: €250-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
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