P2425 OBD-II Trouble Code: Exhaust Gas Recirculation Cooling Valve Control Circuit Open

Our certified mechanics come to you · 12-month, 12,000-mile warranty

SCHEDULE P2425 DIAGNOSTIC Get a fair and transparent estimate upfront
Red-stars EXCELLENT RATING ON

Cost of diagnosing the P2425 code

P2425 is a diagnostic trouble code (DTC) for "Exhaust Gas Recirculation Cooling Valve Control Circuit Open". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$20.00
Toyota$20.00
BMW$20.00
SCHEDULE P2425 DIAGNOSTIC Get a fair and transparent estimate upfront

P2425 code definition

Exhaust Gas Recirculation Cooling Valve Control Circuit Open

What the P2425 code means

P2425 is an OBD-II generic code that the engine control module (ECM) detected the engine exhaust gas recirculation cooling bypass valve (EGRCBV) control circuit is open.

What causes the P2425 code?

  • The ECM has detected an open circuit for controlling the cooling bypass valve for the EGR system and sets the P2425 code and turns on the Check Engine Light.

  • The EGRCBV has an open circuit in the valve.

  • The connection to the EGRCBV has loose or corroded pins in the connection.

What are the symptoms of the P2425 code?

  • The Check Engine Light will be illuminated and the code is set in the ECM memory.
  • The engine could have an engine ignition ping or knock on acceleration.
  • The engine may fail emissions test from excessive NOX in the exhaust tests.
  • The EGR system may have other failures from carbon buildup in the system.

How does a mechanic diagnose the P2425 code?

  • Scans codes and documents the freeze frame data in order to verify the problem

  • Clears the engine and ETC codes and road tests the vehicle to verify the concern comes back

  • Visually checks the vacuum hoses, wiring, and connections to the EGR valve and control solenoid

  • Disconnects and checks that the EGRCBV is getting the proper power and ground signals from the ECM to open the valve when the ECM is commanded to open, and close the valve through the scanner.

Common mistakes when diagnosing the P2425 code?

  • Replacing the EGRCBV before checking the connector for corrosion on the pins

How serious is the P2425 code?

  • A failed EGR valve can cause the engine to have excessive ignition pre-ignition that can cause internal engine damage to the piston and valves.

  • The Check Engine Light on will cause the vehicle to fail emission testing from excessive NOX gases.

What repairs can fix the P2425 code?

  • Replacing the EGRCBV solenoid
  • Replacing a broken connector to the EGRCBV solenoid

Additional comments for consideration regarding the P2425 code

Code P2425 is for the EGR cooler coolant flow control valve, and if the EGR is not cooled correctly, it can get carbon fouled too quick and become clogged. This can increase the pre-ignition in the engine and cause internal piston and cylinder head damage.

Need help with a P2425 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6220.

trouble codes
P2425
Check Engine Light

Fast and easy Check Engine Light is on Inspection service at your home or office.

SCHEDULE P2425 DIAGNOSTIC
Get a fair and transparent estimate upfront

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.8/5

Number of Reviews

4,810

Rating Summary
4,424
187
47
28
124
4,424
187
47
28
124

Joel

19 years of experience
741 reviews
Joel
19 years of experience
Acura RL - Check Engine Light is on - Jacksonville, Florida
very knowledgeable and precise. able to fix electrical issues in my car. Right on time for the appointment.

Christopher

15 years of experience
41 reviews
Christopher
15 years of experience
Honda Accord - Check Engine Light is on - Fairburn, Georgia
Christopher was excellent! He explained everything in detail to make sure I understood. He was professional and provided me with the next course of actions to resolve my care issues. I'm glad he was sent to service my car.

Alexander

18 years of experience
58 reviews
Alexander
18 years of experience
Saab 9-7x - Check Engine Light is on - Kissimmee, Florida
He was very friendly and very helpful . I felt like it was being around a close friend , also gave me so very good advice on my car & future advice about it . Highly recommend mechanic, would use his services again .

Matthew

31 years of experience
639 reviews
Matthew
31 years of experience
Jeep Patriot - Check Engine Light is on - Norfolk, Virginia
Matthew was on time which was a relief, he is very knowledgeable and was easy to understand what was wrong and what was being done. I am recommending to friends and family due to the great experience Matthew gave me. Extremely professional 10/10

More related articles

P2317 OBD-II Trouble Code: Ignition Coil F Secondary Circuit
P2317 P2317 code definition Ignition coil F secondary circuit What the P2317 code means This trouble code indicates that the powertrain control module has detected an abnormal reference voltage from the one of the engine’s ignition coils. What are the...
P0305 OBD-II Trouble Code: Cylinder 5 Misfire Detected
P0305 code definition Cylinder 5 Misfire Detected What the P0305 code means P0305 is a generic OBD-II code that the engine control...
P0699 OBD-II Trouble Code:Sensor Reference Voltage “C” Circuit High
P0699 means a fault in the sensor reference C circuit, which also affects the alternative fuel, body, anti-lock brake, and other control modules.

Related questions

Car still shaking after replaced coils and spark plugs codes cleared still showing misfire in coil 3

The code P0353 on this after you only had misfire codes and you changed the coil and plugs on cylinder number 3. You should disconnect cylinder coil and check connector and pins in coil are not damaged and if they...

My check engine light goes on when I go up a hill or speed up then it goes off and on

If the vehicle is not overheating and the check engine light is NOT "flashing", and there are no other outward indications of the engine malfunctioning, it is safe to drive the car until it is convenient for you to request...

Pcm ecu car won't start

Assuming the ECM is still working enough to report problems, getting any problem codes out of the system with a code reader is your best clue at this point - whether the Check Engine Light is illuminated or not. If...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1-800-701-6230 · hi@yourmechanic.com