OBD Guide

P2499

EGR Cooler Bypass Position Sensor Circuit Low Bank 2

P2499 is an OBD-II diagnostic trouble code meaning: EGR Cooler Bypass Position Sensor Circuit Low Bank 2. Common causes: egr cooler bypass position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Deteriorating fuel economy
  • Unstable engine idling
  • Reduced engine power
  • Dips during acceleration

Causes

  • EGR cooler bypass position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • EGR cooler bypass valve malfunction
  • Problems with the engine ECU

How to Fix

  1. Check the continuity of the bypass position sensor circuit
  2. Inspect the connectors and contacts of the sensor for corrosion
  3. Check resistance and sensor signal
  4. Check the mechanical operation of the bypass valve
  5. If necessary, replace the EGR cooler bypass position sensor

Related codes

Error P2499 by Vehicle Brand

FAQ

What does the P2499 code mean?

P2499 is an OBD-II diagnostic trouble code that indicates: EGR Cooler Bypass Position Sensor Circuit Low Bank 2

What causes a P2499 error code?

The most common causes of P2499 include: EGR cooler bypass position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; EGR cooler bypass valve malfunction.

How do I fix a P2499 diagnostic trouble code?

To fix P2499: Check the continuity of the bypass position sensor circuit. Inspect the connectors and contacts of the sensor for corrosion. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2499?

Yes, but get it checked soon

How much does it cost to fix P2499?

The estimated repair cost for P2499 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat