AutoCodes – Chrysler – C1490 Chrysler

C1490 Chrysler Code - Rear Differential Actuator Initialization Failure

Quick Answer

The Electronic Limited Slip Differential (ELSD) Module monitors the Rear Differential Actuator. Common causes include Faulty Electronic Limited Slip Differential (ELSD) Motor, Faulty Electronic Limited Slip Differential (ELSD) Module. 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: C1490 Chrysler indicates Rear Differential Actuator Initialization Failure.
Common causes: Common causes include Faulty Electronic Limited Slip Differential (ELSD) Motor, Faulty Electronic Limited Slip Differential (ELSD) Module.
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 1,144

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 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1490 Chrysler Description

The Electronic Limited Slip Differential (ELSD) Module monitors the Rear Differential Actuator. The ELSD Module sets the OBDII code when it detects incorrect position change during initialization.

OBDII Code C1490 Chrysler - Rear Differential Actuator Initialization Failure - AutoCodes.com — C1490 Chrysler Code - Rear Differential Actuator Initialization Failure

What does this mean?

What are the Possible Causes of the DTC C1490 Chrysler?

Faulty Electronic Limited Slip Differential (ELSD) Motor
Faulty Electronic Limited Slip Differential (ELSD) Module

How to Fix the DTC C1490 Chrysler?

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 C1490 Chrysler 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 C1490 Chrysler Code

1. What are the common symptoms of OBDII code C1490 related to Rear Differential Actuator Initialization Failure in a Chrysler vehicle?

- Common symptoms include difficulty engaging four-wheel drive, unusual noises from the rear differential, and a warning light on the dashboard.

2. What could cause the Rear Differential Actuator Initialization Failure with OBDII code C1490 in a Chrysler vehicle?

- Possible causes include a faulty rear differential actuator, damaged wiring or connectors, low fluid levels in the differential, or a malfunctioning control module.

3. How can I diagnose the OBDII code C1490 related to Rear Differential Actuator Initialization Failure in my Chrysler vehicle?

- A diagnostic scan tool can be used to retrieve the error code and further troubleshoot the issue by inspecting the differential actuator, checking for loose connections, and verifying fluid levels.

4. Can I continue driving my Chrysler vehicle with OBDII code C1490 indicating Rear Differential Actuator Initialization Failure?

- It is not recommended to drive the vehicle with this issue, as it may lead to further damage to the differential system and compromise the vehicle's drivability.

5. What are some repair tips for addressing OBDII code C1490 in a Chrysler vehicle?

- Start by checking and cleaning the wiring connections, ensuring proper fluid levels in the differential, and inspecting the actuator for any physical damage or malfunction.

6. Is it possible to reset the OBDII code C1490 related to Rear Differential Actuator Initialization Failure in a Chrysler vehicle?

- Resetting the code may temporarily clear the warning light, but it is crucial to address the underlying issue causing the code to prevent future problems.

7. How much does it typically cost to repair OBDII code C1490 in a Chrysler vehicle?

- The cost of repair can vary depending on the specific issue causing the code, but it may involve replacing the actuator, repairing wiring, or reprogramming the control module, which can range from a few hundred to over a thousand dollars.

8. Is it necessary to visit a dealership or can I repair OBDII code C1490 myself?

- While some DIY enthusiasts may be able to troubleshoot and repair the issue themselves, seeking professional help from a certified mechanic or dealership is recommended for accurate diagnosis and proper repair.

9. Can extreme weather conditions affect the occurrence of OBDII code C1490 in a Chrysler vehicle?

- Yes, extreme temperatures or harsh weather conditions can impact the performance of the rear differential system, potentially leading to issues like actuator initialization failure and triggering the OBDII code C1490.

10. How can I prevent OBDII code C1490 related to Rear Differential Actuator Initialization Failure in my Chrysler vehicle?

- Regular maintenance, including checking fluid levels, inspecting wiring connections, and addressing any warning lights promptly, can help prevent issues that may trigger the OBDII code C1490.