AutoCodes – Generic – C1819

C1819 Code - Air Suspension RR Air Compress Request Exceeded Max Timing

Quick Answer

The Vehicle Dynamics Module (VDM) monitors the Air Suspension RR Air Compress. Common causes include Faulty Air Suspension Height Sensor, Air Suspension Height Sensor harness is open or shorted, Air Suspension Height 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: C1819 indicates Air Suspension RR Air Compress Request Exceeded Max Timing.
Common causes: Common causes include Faulty Air Suspension Height Sensor, Air Suspension Height Sensor harness is open or shorted, Air Suspension Height 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 12,924

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 C1819 Description

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

OBDII Code C1819 - Air Suspension RR Air Compress Request Exceeded Max Timing - AutoCodes.com — C1819 Code - Air Suspension RR Air Compress Request Exceeded Max Timing

What does this mean?

What are the Possible Causes of the DTC C1819?

Faulty Air Suspension Height Sensor
Air Suspension Height Sensor harness is open or shorted
Air Suspension Height Sensor circuit poor electrical connection
Faulty Vehicle Dynamics Module (VDM)

How to Fix the DTC C1819?

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 C1819 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 C1819 code?

Need more information on how to fix the C1819 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1819 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 C1819 Code

1. What are the common symptoms of OBDII code C1819 (Air Suspension RR Air Compress Request Exceeded Max Timing)?

- Common symptoms include a noticeable decrease in ride comfort, uneven ride height, and an illuminated air suspension warning light on the dashboard.

2. What are the possible causes of OBDII code C1819?

- The code C1819 can be triggered by issues such as a faulty air compressor, damaged air suspension components, leaks in the air suspension system, or electrical faults.

3. How can I diagnose the cause of OBDII code C1819?

- To diagnose the cause of code C1819, it is recommended to perform a visual inspection of the air suspension system, check for any visible leaks, test the air compressor for functionality, and scan the system for any additional fault codes.

4. What are some repair tips for fixing OBDII code C1819?

- Repair tips for resolving code C1819 may include repairing or replacing damaged air suspension components, fixing any leaks in the system, testing and potentially replacing the air compressor, and ensuring all electrical connections are secure.

5. Can I drive my vehicle with OBDII code C1819 present?

- It is not recommended to drive your vehicle with OBDII code C1819 present, as it may lead to further damage to the air suspension system and compromise the safety and performance of your vehicle.

6. How much does it typically cost to repair OBDII code C1819?

- The cost of repairing OBDII code C1819 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is OBDII code C1819 a common issue in certain vehicle makes and models?

- OBDII code C1819 related to air suspension RR air compress request exceeded max timing is more commonly found in vehicles equipped with air suspension systems, such as luxury sedans and SUVs.

8. Can resetting the OBDII system clear code C1819?

- Resetting the OBDII system may temporarily clear code C1819, but if the underlying issue is not addressed and repaired, the code is likely to reappear once the system detects the fault again.

9. Are there any preventive maintenance measures to avoid OBDII code C1819?

- Regularly inspecting the air suspension system for leaks, ensuring proper maintenance of the air compressor, and addressing any suspension-related issues promptly can help prevent OBDII code C1819 from occurring.

10. Should I attempt to repair OBDII code C1819 myself, or seek professional help?

- Due to the complexity of diagnosing and repairing issues related to the air suspension system and OBDII code C1819, it is recommended to seek the expertise of a qualified mechanic or technician for proper diagnosis and repair.