AutoCodes – Cadillac – C0631 Cadillac

C0631 Cadillac Code - Right Rear Height Air Suspension Sensor Voltage

Quick Answer

The Air Suspension Sensor provides a signal voltage between 0.3 and 4.7 volts to the Air Suspension Module. Common causes include Faulty Right Rear Height Air Suspension Sensor, Right Rear Air Suspension Sensor harness is open or shorted, Right Rear 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: C0631 Cadillac indicates Right Rear Height Air Suspension Sensor Voltage.
Common causes: Common causes include Faulty Right Rear Height Air Suspension Sensor, Right Rear Air Suspension Sensor harness is open or shorted, Right Rear 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 877

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 C0631 Cadillac Description

The Air Suspension Sensor provides a signal voltage between 0.3 and 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 C0631 Cadillac - Right Rear Height Air Suspension Sensor Voltage - AutoCodes.com — C0631 Cadillac Code - Right Rear Height Air Suspension Sensor Voltage

What does this mean?

What are the Possible Causes of the DTC C0631 Cadillac?

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

How to Fix the DTC C0631 Cadillac?

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 C0631 Cadillac 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 C0631 Cadillac code?

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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 C0631 Cadillac Code

1. What are the common symptoms of OBDII code C0631 in a Cadillac related to the right rear height air suspension sensor voltage?

- The common symptoms include uneven ride height in the right rear of the vehicle, a noticeable lean to one side, and potential issues with the air suspension system.

2. What can cause OBDII code C0631 in a Cadillac?

- The code C0631 in a Cadillac is often triggered by a faulty right rear height air suspension sensor or issues with the sensor's wiring and connections.

3. How can I diagnose the right rear height air suspension sensor voltage issue in my Cadillac?

- Diagnosing the problem involves checking the sensor's wiring and connections for any damage or corrosion, testing the sensor's voltage output, and inspecting the air suspension system for any visible issues.

4. Is it safe to drive my Cadillac with OBDII code C0631 present?

- It is generally not recommended to drive the vehicle with the code C0631 as it can affect the handling and stability of the car, especially if there are issues with the air suspension system.

5. Can I reset the OBDII code C0631 in my Cadillac to see if it returns?

- While you can reset the code temporarily, it is important to diagnose and address the underlying issue causing the code to prevent potential safety hazards and further damage to the air suspension system.

6. What are some repair tips for fixing OBDII code C0631 in a Cadillac?

- Repair tips may include replacing the right rear height air suspension sensor, repairing any damaged wiring or connections, and ensuring proper calibration of the sensor after installation.

7. How much does it typically cost to fix OBDII code C0631 in a Cadillac?

- The cost of fixing the code C0631 can vary depending on the extent of the issue, parts needed for repair, and labor costs. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can weather conditions or rough roads trigger OBDII code C0631 in a Cadillac?

- Extreme weather conditions or driving on rough roads can potentially exacerbate issues with the right rear height air suspension sensor, leading to the triggering of code C0631.

9. Are there any preventative maintenance tips to avoid OBDII code C0631 in a Cadillac?

- Regularly inspecting the air suspension system, checking the sensor's connections, and addressing any issues promptly can help prevent the occurrence of code C0631 in a Cadillac.

10. Will fixing OBDII code C0631 improve the overall performance and comfort of my Cadillac?

- Fixing the code C0631 and ensuring the proper functioning of the right rear height air suspension sensor can help restore the vehicle's optimal ride height, stability, and overall comfort during driving.