AutoCodes – Generic – U0269

U0269 Code - Lost Communication With Front Long Range Object Sensor

Quick Answer

Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Front Long Range Object Sensor, Front Long Range Object Sensor harness is open or shorted, Front Long Range Object 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
U0269 indicates Lost Communication With Front Long Range Object Sensor.
Common causes
Common causes include Faulty Front Long Range Object Sensor, Front Long Range Object Sensor harness is open or shorted, Front Long Range Object 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 5,841
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 05, 2020
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Code U0269 Description

Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Front Long Range Object Sensor has not been received.
OBDII Code U0269 -  Lost Communication With Front Long Range Object Sensor - AutoCodes.com
U0269 Code - Lost Communication With Front Long Range Object Sensor

What are the Possible Causes of the DTC U0269?

  • Faulty Front Long Range Object Sensor
  • Front Long Range Object Sensor harness is open or shorted
  • Front Long Range Object Sensor circuit poor electrical connection

How to Fix the DTC U0269?

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 U0269 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 U0269 code?

Need more information on how to fix the U0269 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0269 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • U0269 Buick β€” Lost Communication With Front Long Range Object Sensor
  • U0269 Cadillac β€” Lost Communication With Front Long Range Object Sensor
  • U0269 Chevrolet β€” Lost Communication With Front Long Range Object Sensor
  • U0269 GMC β€” Lost Communication With Front Long Range Object Sensor
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 U0269 Code

1. What are the common symptoms of OBDII code U0269?

- Common symptoms include disabled front long-range object sensor, illuminated warning light on the dashboard, and potential loss of certain safety features.

2. What causes the OBDII code U0269 to occur?

- The code U0269 is typically triggered when there is a communication failure between the vehicle's electronic control module and the front long-range object sensor.

3. How can I diagnose the issue related to the U0269 code?

- Diagnosing the issue requires using a diagnostic scanner to retrieve the trouble codes, inspecting the wiring and connections related to the front long-range object sensor, and testing the sensor for proper functionality.

4. Can a faulty front long-range object sensor cause the U0269 code?

- Yes, a faulty front long-range object sensor or related wiring issues can lead to the U0269 code being triggered due to a loss of communication with the sensor.

5. Are there any simple repair tips for resolving the U0269 code?

- Simple repair tips include checking and repairing any damaged wiring, ensuring proper connections to the front long-range object sensor, and resetting the trouble codes after making necessary repairs.

6. Is it safe to continue driving with the U0269 code present?

- It is not recommended to drive with the U0269 code present, as it may indicate a potential issue with the vehicle's safety systems. It is advised to address the problem promptly.

7. Can the U0269 code be cleared without fixing the underlying issue?

- While the code can be cleared using a diagnostic scanner, it is essential to address the root cause of the problem to prevent the code from reoccurring and ensure proper operation of the front long-range object sensor.

8. Does the U0269 code affect the vehicle's performance?

- The U0269 code itself may not impact the vehicle's performance directly, but it can lead to the loss of certain safety features associated with the front long-range object sensor.

9. How much does it typically cost to repair the U0269 code?

- The cost of repairing the U0269 code can vary depending on the underlying issue, such as replacing a faulty front long-range object sensor, repairing damaged wiring, or addressing connection problems. Costs may range from a few hundred to over a thousand dollars.

10. Can I reset the U0269 code myself, or do I need to visit a mechanic?

- You can reset the U0269 code yourself using a diagnostic scanner, but it is important to determine and address the root cause of the issue to prevent the code from reappearing. If you are unsure, it is recommended to seek assistance from a qualified mechanic.

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