AutoCodes – Generic – C1893

C1893 Code - Air Suspension Left Rear Height Sensor Circuit Failure

Quick Answer

The Vehicle Dynamic Module (VDM) monitors the Air Suspension Left Rear Height Sensor. Common causes include Faulty Air Suspension Left Rear Height Sensor, Air Suspension Left Rear Height Sensor harness is open or shorted, Air Suspension Left Rear 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: C1893 indicates Air Suspension Left Rear Height Sensor Circuit Failure.
Common causes: Common causes include Faulty Air Suspension Left Rear Height Sensor, Air Suspension Left Rear Height Sensor harness is open or shorted, Air Suspension Left Rear 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 5,015

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 Dec 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1893 Description

The Vehicle Dynamic Module (VDM) monitors the Air Suspension Left Rear Height Sensor. The VDM sets the OBDII code when the Air Suspension Left Rear Height Sensor is not to factory specifications.

OBDII Code C1893 - Air Suspension Left Rear Height Sensor Circuit Failure - AutoCodes.com — C1893 Code - Air Suspension Left Rear Height Sensor Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1893?

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

How to Fix the DTC C1893?

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 C1893 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 C1893 code?

Need more information on how to fix the C1893 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1893 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1893 Ford — Air Suspension Left Rear Height Sensor Circuit Failure
C1893 Lincoln — Air Suspension Left Rear Height Sensor Circuit Failure
C1893 Mercury — Air Suspension Left Rear Height Sensor Circuit Failure

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 C1893 Code

1. What are common symptoms of OBDII code C1893 (Air Suspension Left Rear Height Sensor Circuit Failure)?

- Common symptoms include an illuminated "Check Engine" light, uneven suspension height, and possible issues with vehicle stability and handling.

2. What are the possible causes of OBDII code C1893?

- Potential causes of this code include a faulty left rear height sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the suspension control module.

3. How can I diagnose the cause of OBDII code C1893?

- Diagnosing this code typically involves inspecting the left rear height sensor and its wiring for damage, checking the sensor's output using a multimeter, and performing a scan tool diagnosis to pinpoint the exact issue.

4. Can I still drive my vehicle with OBDII code C1893 present?

- It is not recommended to drive your vehicle with this code active, as it can lead to further suspension issues and compromise vehicle safety and stability.

5. How can I repair OBDII code C1893?

- Repairing this code usually involves replacing the faulty left rear height sensor, repairing damaged wiring or connectors, or reprogramming the suspension control module as needed.

6. Are there any DIY tips for addressing OBDII code C1893?

- While some basic checks like inspecting wiring connections can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a thorough diagnosis and repair of this code.

7. Can weather conditions affect the occurrence of OBDII code C1893?

- Extreme weather conditions or exposure to moisture can potentially impact the performance of the height sensor and contribute to the circuit failure triggering this code.

8. Will resetting the OBDII system clear code C1893?

- Resetting the OBDII system may temporarily clear the code, but it is crucial to address the underlying issue causing the circuit failure to prevent the code from reoccurring.

9. How much does it typically cost to repair OBDII code C1893?

- The cost of repairing this code can vary depending on the specific issue, parts needed for replacement, and labor costs, so it is advisable to obtain estimates from auto repair shops.

10. Is it important to address OBDII code C1893 promptly?

- Yes, addressing this code promptly is crucial to ensure the proper functioning of the air suspension system and maintain safe driving conditions. Delaying repairs can lead to further damage and potential safety risks.