AutoCodes – Buick – P1414 Buick

P1414 Buick Code - Exhaust Gas Recirculation Cooler Bypass Valve Current Performance

Quick Answer

The Engine Control Module (ECM) uses the Exhaust Gas Recirculation (EGR) bypass valve position sensor to determine the position of the bypass valve. Common causes include Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve, Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted, Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1414 Buick indicates Exhaust Gas Recirculation Cooler Bypass Valve Current Performance.
Common causes: Common causes include Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve, Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted, Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 643

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1414 Buick Description

The Engine Control Module (ECM) uses the Exhaust Gas Recirculation (EGR) bypass valve position sensor to determine the position of the bypass valve. The ECM sends a reference voltage through the 5-volt reference circuit to the position sensor. The ECM provides a voltage return path for the sensor through the low reference circuit. A variable voltage signal, based on the valve position, is sent from the sensor to the ECM through the position sensor signal circuit. The ECM compares the actual bypass valve position with the desired bypass valve position when the valve is commanded open or closed. The EGR cooler bypass valve is controlled by the ECM through the bypass valve motor high control and the low control circuits. The ECM will pulse width modulate the low control circuit to ground when EGR cooler bypass is desired.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the EGR cooler bypass valve control circuit current is greater than a calibrated threshold for greater than 3 s.

OBDII Code P1414 Buick - Exhaust Gas Recirculation Cooler Bypass Valve Current Performance - AutoCodes.com — P1414 Buick Code - Exhaust Gas Recirculation Cooler Bypass Valve Current Performance

What does this mean?

What are the Possible Causes of the DTC P1414 Buick?

Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve
Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted
Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1414 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1414 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1414 Buick Code

1. What are the common symptoms of OBDII code P1414 in a Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance issue?

The common symptoms include engine hesitation, rough idling, decreased fuel efficiency, and an illuminated check engine light.

2. What are the potential causes of OBDII code P1414 in a Buick indicating a problem with the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

Potential causes can include a faulty EGR cooler bypass valve, electrical issues such as wiring problems or a poor connection, or a malfunctioning EGR system sensor.

3. How can I diagnose the OBDII code P1414 in my Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

Diagnosis typically involves using an OBDII scanner to retrieve the specific code, conducting a visual inspection of the EGR system components, and testing the bypass valve and associated wiring for proper functionality.

4. What are some repair tips for addressing OBDII code P1414 in a Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

Repair tips may include cleaning or replacing the EGR cooler bypass valve, checking and repairing any damaged wiring or connectors, and ensuring proper installation and functioning of all related components.

5. Can I continue driving my Buick with the OBDII code P1414 indicating an issue with the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the EGR system and potentially affect the overall performance of the engine.

6. How much does it typically cost to repair OBDII code P1414 in a Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

The cost of repair can vary depending on the specific diagnosis and required parts or labor, but it may range from $200 to $500 or more, including parts and labor.

7. Is it possible to reset the OBDII code P1414 in a Buick indicating an issue with the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

While you can clear the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. How can I prevent OBDII code P1414 from appearing in my Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance in the future?

Regular maintenance of the EGR system, including cleaning and inspection, can help prevent issues leading to this code. Additionally, driving responsibly and avoiding harsh acceleration or deceleration can also help prevent related problems.

9. Are there any recalls or technical service bulletins related to OBDII code P1414 in Buick vehicles regarding the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance issue?

It is recommended to check with a Buick dealership or service center to inquire about any relevant recalls or technical service bulletins related to this specific OBDII code to see if there are any known issues or solutions provided by the manufacturer.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P1414 in a Buick related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Current Performance?

While some repairs related to this code may be within reach for a DIY enthusiast, diagnosing and repairing issues with the EGR system can be complex. It is recommended to consult a professional mechanic or service center for proper diagnosis and repair to ensure the issue is resolved correctly.