AutoCodes – Generic – C1543

C1543 Code - Air Suspension Right Rear Ride Height Level Control

Quick Answer

The Air Suspension Control Module (ASCM) monitors the Right Rear Ride Air Spring Control Valve. Common causes include Faulty Right Rear Ride Air Spring Control Valve, Faulty Air Suspension Solenoid, Air Suspension Solenoid harness is open or shorted. 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: C1543 indicates Air Suspension Right Rear Ride Height Level Control.
Common causes: Common causes include Faulty Right Rear Ride Air Spring Control Valve, Faulty Air Suspension Solenoid, Air Suspension Solenoid harness is open or shorted.
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 2,682

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 Oct 25, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1543 Description

The Air Suspension Control Module (ASCM) monitors the Right Rear Ride Air Spring Control Valve. The ECM sets the OBDII code when the Air Suspension Control Module (ASCM) detects when the Right Rear Ride Air Spring Control Valve is not to factory specifications while the ignition is in the Run position.

OBDII Code C1543 - Air Suspension Right Rear Ride Height Level Control - AutoCodes.com — C1543 Code - Air Suspension Right Rear Ride Height Level Control

What does this mean?

What are the Possible Causes of the DTC C1543?

Faulty Right Rear Ride Air Spring Control Valve
Faulty Air Suspension Solenoid
Air Suspension Solenoid harness is open or shorted
Air Suspension Solenoid circuit poor electrical connection
Faulty Air Suspension Control Module (ASCM)

How to Fix the DTC C1543?

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 does this mean?

Code Tech Notes

C1543-11-RIGHT REAR RIDE HEIGHT LEVEL CONTROL - CIRCUIT SHORT TO GROUND
C1543-12-RIGHT REAR RIDE HEIGHT LEVEL CONTROL - CIRCUIT SHORT TO BATTERY
C1543-13-RIGHT REAR RIDE HEIGHT LEVEL CONTROL - CIRCUIT OPEN
C1543-96-RIGHT REAR RIDE HEIGHT LEVEL CONTROL - COMPONENT INTERNAL FAILURE

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1543 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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Need more information on how to fix the C1543 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1543 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1543 Chrysler — Air Suspension Right Rear Ride Height Level Control
C1543 Dodge — Air Suspension Right Rear Ride Height Level Control
C1543 Jeep — Air Suspension Right Rear Ride Height Level Control
C1543 Lexus — Vehicle Speed Signal Malfunction
C1543 RAM — Air Suspension Right Rear Ride Height Level Control
C1543 Scion — Vehicle Speed Signal Malfunction
C1543 Toyota — Vehicle Speed Signal Malfunction

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 C1543 Code

1. What are common symptoms of OBDII code C1543 related to the Air Suspension Right Rear Ride Height Level Control?

The common symptoms include uneven ride height, a noticeable lean to one side of the vehicle, and difficulty maintaining proper suspension control.

2. What are the possible causes of OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control?

Possible causes include a faulty ride height sensor, a damaged or disconnected suspension component, electrical issues in the system, or a malfunctioning control module.

3. How can I diagnose the issue causing OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control?

Diagnosis typically involves inspecting the right rear suspension components, checking the ride height sensor, testing the electrical connections, and using a scan tool to gather data from the control module.

4. Is it safe to drive my vehicle with OBDII code C1543 related to the Air Suspension Right Rear Ride Height Level Control?

It is not recommended to drive the vehicle with this code active, as it can lead to further damage to the suspension system and affect the stability and handling of the vehicle.

5. Can I reset OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control myself?

Resetting the code may temporarily clear the error, but it is important to address the underlying issue causing the code to prevent it from reoccurring. A professional diagnosis and repair are recommended.

6. Are there any DIY repair tips for addressing OBDII code C1543 related to the Air Suspension Right Rear Ride Height Level Control?

DIY repairs may include checking and adjusting the ride height sensor, inspecting and replacing damaged suspension components, and ensuring all electrical connections are secure.

7. How much does it typically cost to repair OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control?

The cost of repair can vary depending on the specific issue causing the code, the labor rates in your area, and the parts needed for the repair. It is recommended to get a professional estimate for an accurate cost.

8. Can OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control affect other systems in the vehicle?

Yes, unresolved issues with the air suspension system can impact the overall ride quality, stability, and safety of the vehicle. It is important to address the code promptly to prevent further complications.

9. How often should I check the ride height and suspension components to prevent OBDII code C1543 from occurring?

Regular inspections of the suspension system, including the ride height sensor and components, can help prevent issues that may trigger OBDII code C1543. It is recommended to include this in routine maintenance checks.

10. Can extreme weather conditions or rough road surfaces trigger OBDII code C1543 for the Air Suspension Right Rear Ride Height Level Control?

Yes, extreme weather conditions and rough road surfaces can potentially affect the performance and components of the air suspension system, leading to issues like OBDII code C1543. It is important to drive cautiously and address any concerns promptly.