AutoCodes – RAM – U1489 RAM

U1489 RAM Code - Implausible Data Received From RF Hub

Quick Answer

The Diagnostic Trouble Code (DTC) will set when the Air Suspension Control Module (ASCM) detects an incorrect Controller Area Network (CAN) message from the Radio Frequency (RF) Hub. Common causes include Faulty Radio Frequency (RF) Hub, Radio Frequency (RF) Hub harness is open or shorted, Radio Frequency (RF) Hub 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: U1489 RAM indicates Implausible Data Received From RF Hub.
Common causes: Common causes include Faulty Radio Frequency (RF) Hub, Radio Frequency (RF) Hub harness is open or shorted, Radio Frequency (RF) Hub 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 2,960

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 May 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1489 RAM Description

The Diagnostic Trouble Code (DTC) will set when the Air Suspension Control Module (ASCM) detects an incorrect Controller Area Network (CAN) message from the Radio Frequency (RF) Hub.

OBDII Code U1489 RAM - Implausible Data Received From RF Hub - AutoCodes.com — U1489 RAM Code - Implausible Data Received From RF Hub

What does this mean?

What are the Possible Causes of the DTC U1489 RAM?

Faulty Radio Frequency (RF) Hub
Radio Frequency (RF) Hub harness is open or shorted
Radio Frequency (RF) Hub circuit poor electrical connection
Faulty Air Suspension Control Module (ASCM)

How to Fix the DTC U1489 RAM?

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 U1489 RAM 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 U1489 RAM code? Get Access to Factory Service Manuals

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Get the U1489 RAM 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 U1489 RAM Code

1. What are the common symptoms of OBDII code U1489 RAM titled Implausible Data Received From RF Hub?

- Common symptoms may include erratic behavior from the RF hub, issues with communication between modules, and warning lights on the dashboard.

2. What can cause the OBDII code U1489 RAM to appear?

- This code can be triggered by a faulty RF hub, wiring issues, software glitches, or communication errors between modules in the vehicle.

3. How can I diagnose the cause of OBDII code U1489 RAM?

- Diagnosing this code typically involves using a scan tool to check for other related codes, inspecting the RF hub and its connections, and testing the communication between modules.

4. Is it safe to continue driving with the OBDII code U1489 RAM present?

- It is recommended to address the underlying issue causing the code as soon as possible to prevent further complications with the vehicle's communication systems.

5. Can I repair OBDII code U1489 RAM on my own?

- Repairing this code may require advanced diagnostic tools and knowledge of the vehicle's electronic systems, so it is best handled by a qualified technician.

6. How much does it typically cost to repair OBDII code U1489 RAM?

- The cost of repairing this code can vary depending on the exact cause, but it may involve replacing the RF hub, repairing wiring, or updating software, which can range from a few hundred to a few thousand dollars.

7. Are there any common fixes for OBDII code U1489 RAM?

- Common fixes may include checking and repairing wiring connections, updating software, replacing the RF hub, or addressing any communication issues between modules.

8. Can a low battery voltage trigger the OBDII code U1489 RAM?

- Yes, a low battery voltage can sometimes cause communication errors between modules, leading to the appearance of this code.

9. How long does it typically take to resolve OBDII code U1489 RAM?

- The time to resolve this code can vary depending on the exact cause and availability of parts, but it may take a few hours to a full day in most cases.

10. Is there a way to prevent OBDII code U1489 RAM from appearing again in the future?

- Regular maintenance, checking for software updates, and ensuring proper wiring connections can help prevent this code from reoccurring in the future.