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P24B5: Particulate Matter Sensor Heater Control Circuit Low

Severity
Medium
System
Powertrain

What Does P24B5 Mean?

P24B5 is a diagnostic trouble code indicating: Particulate Matter Sensor Heater Control Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P24B5

Common Causes

Frequently Asked Questions

What does P24B5 mean?
P24B5 indicates: Particulate Matter Sensor Heater Control Circuit Low. The vehicle's computer has detected that the Particulate Matter Sensor Heater is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P24B5?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P24B5 for extended periods may cause additional problems.
How much does it cost to fix P24B5?
Repair costs for P24B5 typically range from $20 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Repair broken wire or restore ground in Particulate Matter Sensor Heater circuit
  • 🔧 Clean and secure Particulate Matter Sensor Heater connector and ground points
  • 🔧 Replace failed Particulate Matter Sensor Heater
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P2400 EVAP System Leak Detection Pump Control Circuit/Open P2403 EVAP System Leak Detection Pump Sense Circuit/Open P2404 EVAP System Leak Detection Pump Sense Circuit Range/Performance P2405 EVAP System Leak Detection Pump Sense Circuit Low P2406 EVAP System Leak Detection Pump Sense Circuit High P2407 EVAP System Leak Detection Pump Sense Circuit Intermittent/Erratic P2408 Fuel Cap Sensor/Switch Circuit P2409 Fuel Cap Sensor/Switch Circuit Range/Performance P240A EVAP System Leak Detection Pump Heater Control Circuit/Open P240B EVAP System Leak Detection Pump Heater Control Circuit Low