P2D5A
Reductant Level Sensor A/B Correlation
P2D5A is an OBD-II diagnostic trouble code meaning: Reductant Level Sensor A/B Correlation. Common causes: reagent level sensor a or b is faulty, open or short circuit in wiring. Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- SCR system fault message
- Unpleasant exhaust smell
Causes
- Reagent level sensor A or B is faulty
- Open or short circuit in wiring
- Level sensors are dirty
- Problems with the SCR control module
- Low quality AdBlue reagent
How to Fix
- Check the level and quality of AdBlue reagent
- Clean level sensor contacts
- Check the integrity of the wiring to the sensors
- Replace faulty level sensor
- Flash or replace the SCR control module if necessary
Related codes
Error P2D5A by Vehicle Brand
FAQ
What does the P2D5A code mean?
P2D5A is an OBD-II diagnostic trouble code that indicates: Reductant Level Sensor A/B Correlation
What causes a P2D5A error code?
The most common causes of P2D5A include: Reagent level sensor A or B is faulty; Open or short circuit in wiring; Level sensors are dirty; Problems with the SCR control module.
How do I fix a P2D5A diagnostic trouble code?
To fix P2D5A: Check the level and quality of AdBlue reagent. Clean level sensor contacts. Check the integrity of the wiring to the sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D5A?
Yes, but get it checked soon
How much does it cost to fix P2D5A?
The estimated repair cost for P2D5A is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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