AutoCodes – Generic – P26A0

P26A0 Code - Exhaust Aftertreatment Glow Plug Performance

Quick Answer

The Powertrain Control Module (PCM) monitors the Exhaust Aftertreatment Glow Plug Control Circuit. Common causes include Faulty Exhaust Aftertreatment Glow Plug, Exhaust Aftertreatment Glow Plug harness is open or shorted, Exhaust Aftertreatment Glow Plug 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: P26A0 indicates Exhaust Aftertreatment Glow Plug Performance.
Common causes: Common causes include Faulty Exhaust Aftertreatment Glow Plug, Exhaust Aftertreatment Glow Plug harness is open or shorted, Exhaust Aftertreatment Glow Plug 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 10,463

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 Jan 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P26A0 Description

The Powertrain Control Module (PCM) monitors the Exhaust Aftertreatment Glow Plug Control Circuit. The PCM sets the OBDII code when the Exhaust Aftertreatment Glow Plug Control Circuit is out of factory specifications.

OBDII Code P26A0 - Exhaust Aftertreatment Glow Plug Performance - AutoCodes.com — P26A0 Code - Exhaust Aftertreatment Glow Plug Performance

What does this mean?

What are the Possible Causes of the DTC P26A0?

Faulty Exhaust Aftertreatment Glow Plug
Exhaust Aftertreatment Glow Plug harness is open or shorted
Exhaust Aftertreatment Glow Plug circuit poor electrical connection

How to Fix the DTC P26A0?

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 P26A0 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.

Need more information about the P26A0 code?

Need more information on how to fix the P26A0 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P26A0 code diagnosed by a professional: Find a repair shop in your area

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 P26A0 Code

1. What are the common symptoms of OBDII code P26A0 (Exhaust Aftertreatment Glow Plug Performance)?

- Common symptoms include reduced engine performance, decreased fuel efficiency, and the illumination of the Check Engine light.

2. What are the possible causes of OBDII code P26A0?

- The code P26A0 can be triggered by issues such as a faulty exhaust aftertreatment glow plug, damaged wiring or connectors, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code P26A0?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code, inspecting the glow plug and related components for physical damage, and testing the electrical connections for continuity.

4. Can I continue driving my vehicle with OBDII code P26A0?

- It is not recommended to ignore code P26A0, as it can lead to more serious issues over time. It's best to address the problem promptly to prevent further damage.

5. What are the repair options for OBDII code P26A0?

- Repair options may include replacing the faulty glow plug, repairing damaged wiring or connectors, or reprogramming the control module if necessary.

6. How much does it typically cost to repair OBDII code P26A0?

- The cost of repairing OBDII code P26A0 can vary depending on the extent of the issue and the specific components that need to be replaced. It's advisable to consult a professional mechanic for an accurate estimate.

7. Can a DIY enthusiast fix OBDII code P26A0 at home?

- While some experienced DIY enthusiasts may be able to address simple issues related to code P26A0, it's recommended to seek help from a professional mechanic for a proper diagnosis and repair to ensure the problem is resolved correctly.

8. Are there any preventive measures to avoid OBDII code P26A0 in the future?

- Regular maintenance of the exhaust aftertreatment system, including periodic inspections of the glow plugs and related components, can help prevent issues that might trigger code P26A0.

9. How urgent is it to address OBDII code P26A0?

- While the vehicle may still be operable with code P26A0, it's important to address the issue as soon as possible to prevent potential damage to other components and to maintain optimal engine performance.

10. Can OBDII code P26A0 be related to other engine problems?

- Code P26A0 is specific to exhaust aftertreatment glow plug performance and is not directly related to other engine problems. However, addressing this code promptly can help ensure overall engine health and performance.