AutoCodes – GMC – C0626 GMC

C0626 GMC Code - Air Suspension Sensor Voltage

Quick Answer

The air suspension sensor provides a signal voltage between 0.3-4.7 volts to the air suspension module. Common causes include Faulty Air Suspension Sensor, Air Suspension Sensor harness is open or shorted, Air Suspension Sensor 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: C0626 GMC indicates Air Suspension Sensor Voltage.
Common causes: Common causes include Faulty Air Suspension Sensor, Air Suspension Sensor harness is open or shorted, Air Suspension Sensor 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 836

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 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0626 GMC Description

The air suspension sensor provides a signal voltage between 0.3-4.7 volts to the air suspension module. This signal voltage represents the wheel's position relative to the body. The air suspension module provides a 5-volt reference and a low reference to the sensor.

OBDII Code C0626 GMC - Air Suspension Sensor Voltage - AutoCodes.com — C0626 GMC Code - Air Suspension Sensor Voltage

What does this mean?

What are the Possible Causes of the DTC C0626 GMC?

Faulty Air Suspension Sensor
Air Suspension Sensor harness is open or shorted
Air Suspension Sensor circuit poor electrical connection

How to Fix the DTC C0626 GMC?

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 C0626 GMC 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 C0626 GMC Code

1. What are the common symptoms of OBDII code C0626 GMC related to the Air Suspension Sensor Voltage?

- Common symptoms include issues with the vehicle's air suspension system, such as uneven ride height, poor handling, or abnormal suspension behavior.

2. What could cause OBDII code C0626 GMC to trigger in relation to the Air Suspension Sensor Voltage?

- The code may be triggered due to a faulty air suspension sensor, damaged wiring or connectors, low voltage in the sensor circuit, or a malfunction in the sensor module.

3. How can I diagnose the cause of OBDII code C0626 GMC for the Air Suspension Sensor Voltage?

- You can diagnose the issue by conducting a visual inspection of the sensor and its wiring, testing the sensor's voltage output, checking for loose connections, and using a scan tool to read live data from the sensor.

4. What are some repair tips for addressing OBDII code C0626 GMC concerning the Air Suspension Sensor Voltage?

- Repair tips may include repairing or replacing damaged wiring, connectors, or the sensor itself, ensuring proper voltage supply to the sensor, and resetting the code after repairs are made.

5. Is it safe to continue driving with OBDII code C0626 GMC related to the Air Suspension Sensor Voltage?

- It is not recommended to continue driving with this code present, as it may affect the performance and stability of the vehicle's air suspension system.

6. Can I reset OBDII code C0626 GMC for the Air Suspension Sensor Voltage on my own?

- You can attempt to reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code C0626 GMC associated with the Air Suspension Sensor Voltage?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the sensor, repairing wiring, or addressing other related components. Costs can range from a few hundred to over a thousand dollars.

8. Are there any preventive measures I can take to avoid OBDII code C0626 GMC for the Air Suspension Sensor Voltage?

- Regularly inspecting the air suspension system, checking for signs of wear or damage, and addressing any issues promptly can help prevent the code from occurring.

9. Can weather conditions affect the triggering of OBDII code C0626 GMC related to the Air Suspension Sensor Voltage?

- Extreme weather conditions, such as temperature fluctuations or moisture exposure, can potentially impact the sensor's performance and contribute to the triggering of the code.

10. How long does it take to repair OBDII code C0626 GMC for the Air Suspension Sensor Voltage?

- The repair time can vary depending on the extent of the issue and the specific components that need attention. It may take a few hours to a full day to diagnose and repair the problem effectively.