P249A
EGR Cooler Bypass Position Sensor Circuit High Bank 2
P249A is an OBD-II diagnostic trouble code meaning: EGR Cooler Bypass Position Sensor Circuit High Bank 2. Common causes: egr bypass position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Dips during acceleration
Causes
- EGR bypass position sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Inspect connectors and contacts for oxidation or damage
- Check sensor resistance (compare with nominal values)
- If necessary, replace the EGR bypass position sensor
- Check the operation of the EGR system after repair
Related codes
Error P249A by Vehicle Brand
FAQ
What does the P249A code mean?
P249A is an OBD-II diagnostic trouble code that indicates: EGR Cooler Bypass Position Sensor Circuit High Bank 2
What causes a P249A error code?
The most common causes of P249A include: EGR bypass position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P249A diagnostic trouble code?
To fix P249A: Check the integrity of the sensor circuit. Inspect connectors and contacts for oxidation or damage. Check sensor resistance (compare with nominal values). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P249A?
Yes, but get it checked soon
How much does it cost to fix P249A?
The estimated repair cost for P249A is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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