OBD Guide
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U1249

Invalid Or Missing Data For Time / Date

U1249 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Time / Date. Common causes: power failure of electronic modules, problems with the can bus. Estimated repair cost: ~$56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Incorrect time display on the dashboard
  • Malfunctions of the on-board computer
  • Errors in the diagnostic system
  • Problems with time-dependent systems

Causes

  • Power failure of electronic modules
  • Problems with the CAN bus
  • Main synchronization module malfunction
  • Software error in electronic components
  • Low battery

How to Fix

  1. Check and replace battery if necessary
  2. Reset and reconfigure the system clock
  3. Check CAN bus connections
  4. Update software of electronic modules
  5. Check the power supply to the main electronic units

Related codes

U1250U1248U1247

FAQ

What does the U1249 code mean?

U1249 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Time / Date

What causes a U1249 error code?

The most common causes of U1249 include: Power failure of electronic modules; Problems with the CAN bus; Main synchronization module malfunction; Software error in electronic components.

How do I fix a U1249 diagnostic trouble code?

To fix U1249: Check and replace battery if necessary. Reset and reconfigure the system clock. Check CAN bus connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1249?

Yes, but get it checked soon

How much does it cost to fix U1249?

The estimated repair cost for U1249 is ~$56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat