P24D2
Reductant Heater A Sense Circuit
P24D2 is an OBD-II diagnostic trouble code meaning: Reductant Heater A Sense Circuit. Common causes: open or short circuit in the heater circuit, heating element malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Possible reduction in engine power
- Increased NOx emissions
- SCR error message on dashboard
Causes
- Open or short circuit in the heater circuit
- Heating element malfunction
- Relay or fuse problems
- SCR control module malfunction
- Poor contact in connectors
How to Fix
- Check the integrity of the heater circuit
- Check the resistance of the heating element
- Inspect fuses and relays
- Check connectors and wiring harness
- Test the SCR control module
Related codes
Error P24D2 by Vehicle Brand
FAQ
What does the P24D2 code mean?
P24D2 is an OBD-II diagnostic trouble code that indicates: Reductant Heater A Sense Circuit
What causes a P24D2 error code?
The most common causes of P24D2 include: Open or short circuit in the heater circuit; Heating element malfunction; Relay or fuse problems; SCR control module malfunction.
How do I fix a P24D2 diagnostic trouble code?
To fix P24D2: Check the integrity of the heater circuit. Check the resistance of the heating element. Inspect fuses and relays. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P24D2?
Yes, but get it checked soon
How much does it cost to fix P24D2?
The estimated repair cost for P24D2 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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