AutoCodes – Cadillac – C0658 Cadillac

C0658 Cadillac Code - Level Control Compressor Circuit High

Quick Answer

The Automatic Level Control compressor is switched ON and OFF using an Electronic Level Control (ELC) compressor relay which is controlled by the Electronic Suspension Control (ESC) module. Common causes include Faulty Level Control Compressor, Level Control Compressor harness is open or shorted, Level Control Compressor 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: C0658 Cadillac indicates Level Control Compressor Circuit High.
Common causes: Common causes include Faulty Level Control Compressor, Level Control Compressor harness is open or shorted, Level Control Compressor 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 2,687

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 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0658 Cadillac Description

The Automatic Level Control compressor is switched ON and OFF using an Electronic Level Control (ELC) compressor relay which is controlled by the Electronic Suspension Control (ESC) module. The ESC module circuitry provides a switched path to ground whenever compressor activity is required. This drive circuit is also continually monitored to determine if the voltage level agrees with the commanded state.

OBDII Code C0658 Cadillac - Level Control Compressor Circuit High - AutoCodes.com — C0658 Cadillac Code - Level Control Compressor Circuit High

What does this mean?

What are the Possible Causes of the DTC C0658 Cadillac?

Faulty Level Control Compressor
Level Control Compressor harness is open or shorted
Level Control Compressor circuit poor electrical connection

How to Fix the DTC C0658 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 C0658 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.

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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 C0658 Cadillac Code

1. What are common symptoms of OBDII code C0658 in a Cadillac related to the Level Control Compressor Circuit High?

- Common symptoms include the compressor running constantly, uneven ride height, and illuminated warning lights on the dashboard.

2. What are some possible causes of OBDII code C0658 in a Cadillac?

- Possible causes include a faulty level control compressor, damaged wiring or connectors, a failed compressor relay, or a problem with the compressor control module.

3. How can I diagnose the cause of OBDII code C0658 in my Cadillac?

- You can diagnose the issue by checking the compressor operation, inspecting the wiring and connectors for damage, testing the compressor relay, and scanning the compressor control module for fault codes.

4. Can I continue driving my Cadillac with OBDII code C0658 present?

- It is not recommended to drive your Cadillac with this code active, as it can affect the vehicle's ride quality and suspension performance.

5. How can I repair OBDII code C0658 in my Cadillac?

- Repairs may involve replacing the level control compressor, repairing damaged wiring or connectors, replacing the compressor relay, or reprogramming the compressor control module.

6. Is it possible to reset OBDII code C0658 in my Cadillac without fixing the underlying issue?

- While you can clear the code temporarily, it will likely return until the root cause is addressed.

7. Are there any common mistakes to avoid when dealing with OBDII code C0658 in a Cadillac?

- Avoid overlooking simple issues like loose connections or damaged wiring when diagnosing this code, as they can often be the cause.

8. How much does it typically cost to repair OBDII code C0658 in a Cadillac?

- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code C0658 in a Cadillac, or is it best left to professional mechanics?

- While some DIYers may be able to address simple causes like loose connections, more complex issues may require professional expertise to diagnose and repair effectively.

10. How often does OBDII code C0658 occur in Cadillac vehicles, and is it a common issue?

- This code is relatively common in Cadillac vehicles equipped with a level control compressor system, especially in models with advanced suspension features.