AutoCodes – Generic – C1813

C1813 Code - Air Suspension LR Vent Request Exceeded Max Timing

Quick Answer

The Vehicle Dynamics Module (VDM) monitors the Air Suspension LR Vent. Common causes include Faulty Air Suspension LR Vent, Air Suspension LR Vent harness is open or shorted, Air Suspension LR Vent 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: C1813 indicates Air Suspension LR Vent Request Exceeded Max Timing.
Common causes: Common causes include Faulty Air Suspension LR Vent, Air Suspension LR Vent harness is open or shorted, Air Suspension LR Vent 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 4,605

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 Nov 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1813 Description

The Vehicle Dynamics Module (VDM) monitors the Air Suspension LR Vent. The VDM sets the OBDII code when the Air Suspension LR Vent is not to factory specifications.

OBDII Code C1813 - Air Suspension LR Vent Request Exceeded Max Timing - AutoCodes.com — C1813 Code - Air Suspension LR Vent Request Exceeded Max Timing

What does this mean?

What are the Possible Causes of the DTC C1813?

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

How to Fix the DTC C1813?

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 C1813 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 C1813 code?

Need more information on how to fix the C1813 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1813 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 C1813 Code

1. What are the common symptoms of OBDII code C1813 (Air Suspension LR Vent Request Exceeded Max Timing)?

- Common symptoms include a noticeable decrease in ride quality, uneven suspension height, and the vehicle leaning to one side.

2. What can cause OBDII code C1813 to trigger?

- This code is typically triggered when the air suspension system detects that the left rear vent request has exceeded the maximum timing allowed.

3. How serious is OBDII code C1813 (Air Suspension LR Vent Request Exceeded Max Timing)?

- While this code may not cause immediate safety concerns, it can affect the vehicle's handling, stability, and overall ride comfort.

4. Can driving with OBDII code C1813 active cause further damage to the vehicle?

- Continuing to drive with this code active can potentially lead to accelerated wear and tear on other suspension components and may worsen the ride quality over time.

5. What are some DIY repair tips for addressing OBDII code C1813?

- DIY repair tips may include checking for any visible damage to the air suspension components, ensuring proper inflation of all tires, and inspecting the air suspension system for leaks or faulty connections.

6. Is it safe to continue driving the vehicle if OBDII code C1813 is present?

- It is generally not recommended to drive the vehicle extensively with this code active, as it can impact the overall performance and safety of the vehicle.

7. How can I reset OBDII code C1813 (Air Suspension LR Vent Request Exceeded Max Timing)?

- Resetting the code may temporarily clear the warning, but it is essential to diagnose and address the underlying issue to prevent the code from reoccurring.

8. Is professional diagnosis necessary for OBDII code C1813?

- Professional diagnosis is recommended to accurately identify the root cause of the code and ensure proper repair and adjustment of the air suspension system.

9. What are the potential costs associated with repairing OBDII code C1813?

- The costs can vary depending on the specific cause of the issue, but they may include expenses for parts replacement, labor, and potential recalibration of the air suspension system.

10. Can OBDII code C1813 be intermittent or sporadic in nature?

- Yes, this code may appear intermittently, especially if the issue is related to a loose connection or a temporary malfunction in the air suspension system.