AutoCodes – Volvo – P1026 Volvo

P1026 Volvo Code - Throttle Body Internal Fault

Quick Answer

Electronic throttle module (ETM) checks continuously that the two internal throttle sensors show the same throttle position. Common causes include Faulty Electronic Throttle Module (ETM), Electronic Throttle Module harness is open or shorted, Electronic Throttle Module 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: P1026 Volvo indicates Throttle Body Internal Fault.
Common causes: Common causes include Faulty Electronic Throttle Module (ETM), Electronic Throttle Module harness is open or shorted, Electronic Throttle Module 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 19,991

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 Jul 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1026 Volvo Description

Electronic throttle module (ETM) checks continuously that the two internal throttle sensors show the same throttle position. If the difference between the sensors is greater than 5 % for longer than 0.15 seconds, then this information is sent to the Engine Control Module (ECM), which then stores diagnostic trouble code, Faulty signal.

OBDII Code P1026 Volvo - Throttle Body Internal Fault - AutoCodes.com — P1026 Volvo Code - Throttle Body Internal Fault

What does this mean?

What are the Possible Causes of the DTC P1026 Volvo?

Faulty Electronic Throttle Module (ETM)
Electronic Throttle Module harness is open or shorted
Electronic Throttle Module circuit poor electrical connection

How to Fix the DTC P1026 Volvo?

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 P1026 Volvo 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 P1026 Volvo code?

Need more information on how to fix the P1026 Volvo code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1026 Volvo 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 P1026 Volvo Code

1. What are the common symptoms of OBDII code P1026 in a Volvo related to throttle body internal fault?

The common symptoms include rough idling, poor acceleration, stalling, and the vehicle going into limp mode.

2. What could be the potential causes behind the OBDII code P1026 Volvo for throttle body internal fault?

Possible causes include a faulty throttle body, wiring issues, electronic control module (ECM) problems, or a damaged throttle position sensor.

3. How can I diagnose the OBDII code P1026 Volvo for throttle body internal fault?

Diagnosis involves using a scan tool to read the code, inspecting the throttle body and related components for damage, checking the wiring for any faults, and testing the throttle position sensor.

4. Can a dirty throttle body cause the OBDII code P1026 in a Volvo?

Yes, a dirty or clogged throttle body can disrupt the air-fuel mixture and cause erratic throttle responses, potentially leading to the OBDII code P1026.

5. Is it safe to continue driving with the OBDII code P1026 Volvo for throttle body internal fault?

It is not recommended to drive the vehicle with this fault as it can lead to further damage and potential safety hazards. Immediate attention and repair are advised.

6. What are some repair tips for fixing the OBDII code P1026 in a Volvo related to throttle body internal fault?

Repair tips include cleaning the throttle body, checking and repairing any damaged wiring, replacing the throttle body if necessary, and ensuring proper calibration of the throttle position sensor.

7. Can resetting the ECM clear the OBDII code P1026 Volvo for throttle body internal fault?

Resetting the ECM may temporarily clear the code, but if the underlying issue causing the fault is not addressed, the code is likely to reappear upon driving the vehicle.

8. How much does it typically cost to repair the OBDII code P1026 in a Volvo for throttle body internal fault?

The cost of repair can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any preventive maintenance measures to avoid the OBDII code P1026 Volvo related to throttle body internal fault?

Regularly cleaning the throttle body, inspecting the wiring for any signs of wear, and following the manufacturer's recommended maintenance schedule can help prevent such issues.

10. Is it possible to fix the OBDII code P1026 Volvo throttle body internal fault myself, or should I seek professional help?

While some basic maintenance tasks like cleaning the throttle body can be done by DIY enthusiasts, diagnosing and repairing complex throttle body internal faults may require professional expertise to ensure proper repair and calibration.