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Engine-Codes – Generic – U1290

U1290 Code - Lost Communication With Front Seat Heater Control Unit

Quick Answer

The U1290 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer system has lost communication with the front seat heater control unit. Common causes include Faulty front seat heater control unit, Wiring or connection issues between the control unit and the vehicle's computer, Malfunctioning vehicle's computer system. 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, Wiring or connection issues between the control unit and the vehicle's computer, Malfunctioning vehicle's computer system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code U1290 Description

The U1290 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer system has lost communication with the front seat heater control unit. This communication error can prevent the system from functioning properly, leading to issues with the front seat heating feature. The front seat heater control unit is responsible for regulating the heat output in the front seats, ensuring the driver and passengers' comfort during colder weather.

OBDII Code U1290 - Lost Communication With Front Seat Heater Control Unit
U1290 Code - Lost Communication With Front Seat Heater Control Unit

Common Causes of U1290

  1. Faulty front seat heater control unit
  2. Wiring or connection issues between the control unit and the vehicle's computer
  3. Malfunctioning vehicle's computer system
  4. Electrical interference or signal disruption
  5. Software glitches in the control unit or computer system

Symptoms of U1290

  1. Front seat heater not working
  2. Inconsistent heat output from the front seat heater
  3. Check engine light illuminated on the dashboard
  4. Communication error message displayed on the vehicle's information screen

How to Fix U1290

  1. Begin by performing a visual inspection of the wiring and connections between the front seat heater control unit and the vehicle's computer. Look for any signs of damage, corrosion, or loose connections.
  2. Use a diagnostic tool to scan the vehicle's computer system for the U1290 code and any other related codes that may provide more information about the issue.
  3. Test the front seat heater control unit for proper functionality. If the unit is found to be faulty, it will need to be replaced.
  4. Check for any software updates or reprogramming that may be required for the control unit or the vehicle's computer system to establish communication.
  5. Once the issue is identified and resolved, clear the DTC from the vehicle's computer system and perform a test to ensure that the front seat heater is working correctly.

Cost to Fix U1290

The typical repair costs for addressing the U1290 code can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty front seat heater control unit can range from $200 to $500, including parts and labor. However, additional costs may apply if there are wiring repairs or software updates needed. It's important to note that the diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on the vehicle's make and model.

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Code U1290 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.

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