AutoCodes – Generic – U0246

U0246 Code - Lost Communication With Seat Control Module 'E'

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Seat Control Module 'E', Seat Control Module 'E' harness is open or shorted, Seat Control Module 'E' 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: U0246 indicates Lost Communication With Seat Control Module 'E'.
Common causes: Common causes include Faulty Seat Control Module 'E', Seat Control Module 'E' harness is open or shorted, Seat Control Module 'E' 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 3,350

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 Apr 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0246 Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Seat Control Module 'E' has not been received.

OBDII Code U0246 - Lost Communication With Seat Control Module 'E' - AutoCodes.com — U0246 Code - Lost Communication With Seat Control Module 'E'

What does this mean?

What are the Possible Causes of the DTC U0246?

Faulty Seat Control Module 'E'
Seat Control Module 'E' harness is open or shorted
Seat Control Module 'E' circuit poor electrical connection

How to Fix the DTC U0246?

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 U0246 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 U0246 Code

1. What are the common symptoms of OBDII code U0246?

The common symptoms of code U0246 include non-functioning power seats, issues with seat adjustments, and warning lights on the dashboard related to the seat control system.

2. What are the possible causes of OBDII code U0246?

The possible causes of code U0246 include a faulty seat control module, damaged wiring or connectors in the seat control system, or a communication error within the vehicle's network.

3. How can I diagnose OBDII code U0246?

Diagnosing code U0246 involves using a diagnostic scanner to retrieve the code, checking the wiring and connectors in the seat control system, and testing the seat control module for proper functionality.

4. Can OBDII code U0246 be fixed by resetting the vehicle's computer?

In some cases, resetting the vehicle's computer may temporarily clear the code, but if the underlying issue with the seat control module or communication system is not addressed, the code is likely to reappear.

5. Are there any repair tips for fixing OBDII code U0246?

Repair tips for code U0246 include inspecting the seat control module for damage, checking the wiring for any breaks or shorts, and ensuring all connectors are securely attached.

6. Is it safe to drive with OBDII code U0246 present?

It is generally safe to drive with code U0246, but it is recommended to address the issue promptly to avoid any potential safety concerns related to the malfunctioning seat control system.

7. Can a DIY enthusiast fix OBDII code U0246 at home?

Depending on the root cause of the code, a DIY enthusiast with some automotive repair experience may be able to fix code U0246 at home by following diagnostic procedures and making necessary repairs or replacements.

8. How much does it typically cost to repair OBDII code U0246 at a mechanic or dealership?

The cost to repair code U0246 can vary depending on the extent of the issue, but it may range from a few hundred to a thousand dollars, considering parts and labor costs.

9. Will fixing OBDII code U0246 require reprogramming or reinitializing the seat control module?

In some cases, fixing code U0246 may require reprogramming or reinitializing the seat control module to ensure proper communication and functionality within the vehicle's network.

10. How can I prevent OBDII code U0246 from recurring in the future?

To prevent code U0246 from recurring, it is essential to address any underlying issues promptly, perform regular maintenance on the seat control system, and avoid any physical damage to the wiring or connectors.