AutoCodes – Generic – U1446

U1446 Code - Implausible Heated Steering Wheel Temperature Message Recieved

Quick Answer

The Heated Steering Wheel (HSW) Temperature Sensor is connected to the Right Steering Switch. Common causes include Faulty Heated Steering Wheel (HSW) Temperature Sensor, Heated Steering Wheel Temperature Sensor harness is open or shorted, Heated Steering Wheel Temperature 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: U1446 indicates Implausible Heated Steering Wheel Temperature Message Recieved.
Common causes: Common causes include Faulty Heated Steering Wheel (HSW) Temperature Sensor, Heated Steering Wheel Temperature Sensor harness is open or shorted, Heated Steering Wheel Temperature 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 2,129

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 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1446 Description

The Heated Steering Wheel (HSW) Temperature Sensor is connected to the Right Steering Switch. The sensor data is transferred from the Right Steering Switch to the Cluster Cabin Compartment Node(CCN) by way of the LIN bus, a serial sub-bus. The Diagnostic Trouble Code (DTC) sets when the Heated Seat Module (HSM) does not receive the Heated Steering Wheel (HSW) Temperature Sensor Fault Signal from the Cluster (CCN) for more than two seconds.

OBDII Code U1446 - Implausible Heated Steering Wheel Temperature Message Recieved - AutoCodes.com — U1446 Code - Implausible Heated Steering Wheel Temperature Message Recieved

What does this mean?

What are the Possible Causes of the DTC U1446?

Faulty Heated Steering Wheel (HSW) Temperature Sensor
Heated Steering Wheel Temperature Sensor harness is open or shorted
Heated Steering Wheel Temperature Sensor circuit poor electrical connection
Faulty Right Steering Switch
Faulty Steering Control Module (SCM)

How to Fix the DTC U1446?

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 U1446 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 U1446 code?

Need more information on how to fix the U1446 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1446 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U1446 Chrysler — Implausible Heated Steering Wheel Temperature Message Recieved
U1446 Dodge — Implausible Heated Steering Wheel Temperature Message Recieved
U1446 Jeep — Implausible Heated Steering Wheel Temperature Message Recieved
U1446 RAM — Implausible Heated Steering Wheel Temperature Message Recieved

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 U1446 Code

1. What are the common symptoms of an U1446 OBDII code?

The common symptoms of an U1446 code include a malfunctioning heated steering wheel, inconsistent temperature readings on the steering wheel display, and a warning light illuminated on the dashboard.

2. What can cause the U1446 code to trigger?

The U1446 code is typically triggered when the vehicle's electronic control module (ECM) detects an implausible or abnormal signal related to the heated steering wheel temperature message.

3. How can I diagnose the U1446 code?

Diagnosing the U1446 code involves using an OBDII scanner to retrieve the code, checking the wiring and connectors related to the heated steering wheel system, and testing the components for proper functionality.

4. Can a faulty heated steering wheel module cause the U1446 code?

Yes, a faulty heated steering wheel module, damaged wiring, or a malfunctioning temperature sensor can cause the U1446 code to trigger.

5. What are some repair tips for fixing the U1446 code?

Repair tips for the U1446 code may include checking and repairing any damaged wiring or connectors, replacing the heated steering wheel module or temperature sensor if necessary, and clearing the code with an OBDII scanner.

6. Is it safe to drive with the U1446 code present?

It is generally safe to drive with the U1446 code present, but it is recommended to address the issue promptly to ensure the proper functioning of the heated steering wheel system.

7. Can I reset the U1446 code without fixing the underlying issue?

While you can reset the code with an OBDII scanner, it is important to address the underlying issue causing the U1446 code to prevent future problems with the heated steering wheel system.

8. How much does it cost to repair the U1446 code?

The cost of repairing the U1446 code can vary depending on the underlying issue, such as replacing a faulty component or repairing damaged wiring. It is advisable to consult a mechanic for an accurate estimate.

9. Will the U1446 code cause any long-term damage to my vehicle?

If left unresolved, the U1446 code could potentially lead to further issues with the heated steering wheel system. It is best to address the problem promptly to prevent any long-term damage.

10. Can I prevent the U1446 code from reoccurring in the future?

Regularly maintaining the heated steering wheel system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the U1446 code from reoccurring in the future.