AutoCodes – Generic – U1290

U1290 Code - Lost Communication With Front Seat Heater Control Unit

Quick Answer

The Diagnostic Trouble Code (DTC) sets when a communication malfunction was detected between the Front Seat Heater Control Unit and the Climate Control Unit. Common causes include Faulty Front Seat Heater Control Unit, Front Seat Heater Control Unit harness is open or shorted, Front Seat Heater Control Unit 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: U1290 indicates Lost Communication With Front Seat Heater Control Unit.
Common causes: Common causes include Faulty Front Seat Heater Control Unit, Front Seat Heater Control Unit harness is open or shorted, Front Seat Heater Control Unit 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 2,363

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 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1290 Description

The Diagnostic Trouble Code (DTC) sets when a communication malfunction was detected between the Front Seat Heater Control Unit and the Climate Control Unit.

OBDII Code U1290 - Lost Communication With Front Seat Heater Control Unit - AutoCodes.com — U1290 Code - Lost Communication With Front Seat Heater Control Unit

What does this mean?

What are the Possible Causes of the DTC U1290?

Faulty Front Seat Heater Control Unit
Front Seat Heater Control Unit harness is open or shorted
Front Seat Heater Control Unit circuit poor electrical connection
Faulty Climate Control Unit

How to Fix the DTC U1290?

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 U1290 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 U1290 code?

Need more information on how to fix the U1290 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1290 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U1290 Acura — Lost Communication With Front Seat Heater Control Unit
U1290 Honda — Lost Communication With Front Seat Heater Control Unit

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 U1290 Code

1. What are the common symptoms of OBDII code U1290 (Lost Communication With Front Seat Heater Control Unit)?

- The common symptoms include non-functioning front seat heaters, loss of communication with the seat heater control unit, and the corresponding warning light on the dashboard.

2. What are the possible causes of OBDII code U1290?

- The code U1290 can be triggered by issues such as a faulty front seat heater control unit, damaged wiring or connectors, or a communication breakdown between the control unit and the vehicle's onboard computer.

3. How can I diagnose the cause of OBDII code U1290?

- Diagnosis involves checking the wiring and connectors related to the front seat heater control unit, testing the control unit for functionality, and using a diagnostic scanner to identify communication errors.

4. Can I continue to drive my vehicle with OBDII code U1290?

- It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to avoid any discomfort from non-functioning seat heaters.

5. How can I repair OBDII code U1290?

- Repair options include fixing or replacing the front seat heater control unit, repairing any damaged wiring or connectors, and clearing the code with a diagnostic scanner after the repairs are completed.

6. Are there any DIY tips for troubleshooting OBDII code U1290?

- DIY enthusiasts can start by checking the fuses related to the front seat heater system, inspecting the wiring for visible damage, and ensuring all connectors are securely fastened.

7. Is OBDII code U1290 specific to certain vehicle makes and models?

- While the U1290 code is related to communication issues with the front seat heater control unit, it can be found in various vehicle makes and models equipped with this feature.

8. How much does it cost to repair OBDII code U1290 at a mechanic or dealership?

- Repair costs for this code can vary depending on the underlying issue, but it is advisable to consult with a mechanic or dealership for an accurate diagnosis and cost estimate.

9. Can a simple reset of the vehicle's computer clear OBDII code U1290?

- A simple reset may temporarily clear the code, but if the underlying issue persists, the code is likely to reappear. It is recommended to address the root cause of the problem for a permanent solution.

10. What steps should I take if OBDII code U1290 keeps coming back after repairs?

- If the code keeps reappearing after repairs, it is advisable to recheck the repairs, ensure proper installation of components, and conduct a thorough diagnostic check to identify any lingering issues causing the code.