P249A

EGR Cooler Bypass Position Sensor Circuit High Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

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

P249B P2499 P0401