Exhaust Gas Recirculation Cooler Bypass Control Circuit
The P2699 code means the vehicle's onboard diagnostic system has detected: Exhaust Gas Recirculation Cooler Bypass Control Circuit. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $200 - $700 (parts and labor)
Best-selling code reader on Amazon. Reads and clears check engine codes on any 1996+ vehicle. Under $30.
Essential for diagnosing sensor codes, checking voltage, and testing circuits. Under $15 and pays for itself on the first job.
Affiliate links — we earn a commission at no extra cost to you.
What Are the Symptoms of P2699?
- Check Engine Light on
- EGR cooler bypass not operating
- Higher NOx emissions
- Slight decrease in fuel economy
- EGR system may default to full cooling mode
What Causes P2699? (Most Likely First)
- EGR cooler bypass valve solenoid failure Very High
- Open or shorted wiring to bypass valve High
- Carbon buildup in EGR cooler bypass valve Moderate
- PCM output circuit fault Low
Can I Still Drive with P2699?
Short distances only. P2699 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2699 mean?
P2699 indicates an issue with the exhaust gas recirculation cooler bypass control circuit. This is related to the diesel exhaust aftertreatment system that controls emissions and DPF operation.
Can I drive with a P2699 code?
You can drive short distances, but the diesel particulate filter system is not operating correctly. Continued driving may cause DPF clogging and expensive repairs.
How much does it cost to fix P2699?
Repairs typically cost $200 - $700. Sensor or wiring repairs are least expensive, while DPF replacement can cost $2,000 to $4,000.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2699?
-
Read freeze frame data and confirm P2699 is present
-
Test EGR cooler bypass valve solenoid resistance
-
Check wiring from PCM to bypass valve solenoid
-
Inspect bypass valve for carbon buildup and free movement
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2699?
- 2011-2019 Ford F-250 6.7L Power Stroke Diesel
- 2014-2020 Chevrolet Silverado 2500 6.6L Duramax
- 2012-2019 Ram 2500 6.7L Cummins
- 2013-2020 Volkswagen Touareg TDI 3.0L
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.