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Engine-Codes – Generic – U1249

U1249 Code - Invalid Or Missing Data For Time / Date

Quick Answer

The U1249 code indicates that there is invalid or missing data for time/date in the vehicle's system. Common causes include Faulty clock module, Wiring issues in the time/date circuit, Communication network problems. 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
U1249 indicates Invalid Or Missing Data For Time / Date.
Common causes
Common causes include Faulty clock module, Wiring issues in the time/date circuit, Communication network problems.
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 07, 2024
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Code U1249 Description

The U1249 code indicates that there is invalid or missing data for time/date in the vehicle's system. This can affect various aspects of the vehicle's performance and functionality. The time/date information is crucial for many systems in modern vehicles, including navigation, infotainment, and even certain engine control functions. When this data is incorrect or missing, it can lead to issues with scheduling maintenance reminders, accurate timestamps for diagnostic trouble codes, and proper operation of various systems that rely on accurate timekeeping.

OBDII Code U1249 - Invalid Or Missing Data For Time / Date
U1249 Code - Invalid Or Missing Data For Time / Date

Common Causes of U1249

  1. Faulty clock module.
  2. Wiring issues in the time/date circuit.
  3. Communication network problems.
  4. Battery or electrical system issues affecting timekeeping.
  5. Software glitches or updates affecting time/date data.

Symptoms of U1249

  1. Incorrect time/date displayed on the dashboard or infotainment system.
  2. Malfunctioning navigation system.
  3. Inaccurate timestamps for diagnostic trouble codes.
  4. Scheduling reminders not functioning correctly.
  5. Issues with certain engine control functions.

How to Fix U1249

  1. Begin by checking the vehicle's battery and electrical system to ensure they are functioning properly.
  2. Inspect the clock module and wiring for any visible damage or loose connections.
  3. Use a diagnostic scanner to reset the time/date data and check for any stored trouble codes.
  4. If the issue persists, consider updating the vehicle's software or replacing the clock module if necessary.
  5. Test the system to ensure the time/date information is accurate and all related systems are functioning correctly.

Cost to Fix U1249

The typical repair costs for addressing the U1249 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for replacing a clock module or repairing wiring issues could range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, so the total cost of repairs could be in the range of $200 to $1000. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the complexity of the repair process. It's advisable to consult with a professional mechanic to get a more accurate estimate based on your specific situation.

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Code U1249 Information for Specific Makes

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.

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