AutoCodes – Mercury – U1249 Mercury

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

Quick Answer

The Anti-lock Brake System (ABS) Module is on the Serial Communications Protocol (SCP) Communication network. Common causes include Faulty Network, Faulty Powertrain Control Module (PCM). 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 Mercury indicates Invalid Or Missing Data For Time / Date.
Common causes: Common causes include Faulty Network, Faulty Powertrain Control Module (PCM).
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 436

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 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1249 Mercury Description

The Anti-lock Brake System (ABS) Module is on the Serial Communications Protocol (SCP) Communication network. The ABS module controls the brake pressure to the 4 wheels to keep the vehicle under Control while braking. The ABS module also controls the stability assist and traction Control systems (if equipped). If one of the BUS wires becomes shorted to ground or battery voltage, or if some but not all termination resistors are lost, communications can continue at a degraded level.

OBDII Code U1249 Mercury - Invalid Or Missing Data For Time / Date - AutoCodes.com — U1249 Mercury Code - Invalid Or Missing Data For Time / Date

What does this mean?

What are the Possible Causes of the DTC U1249 Mercury?

Faulty Network
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U1249 Mercury?

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 U1249 Mercury 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.

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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 U1249 Mercury Code

1. What are the common symptoms of OBDII code U1249 in a Mercury vehicle?

The common symptoms of OBDII code U1249 in a Mercury vehicle include issues with the vehicle's clock or date display on the dashboard, as well as potential difficulties with accessing or setting the time and date functions.

2. What does the OBDII code U1249 "Invalid Or Missing Data For Time/Date" indicate in a Mercury vehicle?

The OBDII code U1249 in a Mercury vehicle indicates that there is an issue with the time and date data being transmitted within the vehicle's network, leading to invalid or missing information.

3. What are the possible causes of OBDII code U1249 in a Mercury vehicle?

The possible causes of OBDII code U1249 in a Mercury vehicle include a malfunctioning clock module, faulty wiring connections related to the time and date system, or software glitches within the vehicle's network.

4. How can I diagnose the OBDII code U1249 in my Mercury vehicle?

Diagnosing OBDII code U1249 in a Mercury vehicle typically involves using a compatible OBDII scanner to retrieve the specific error code, checking the connections to the clock module, and inspecting the wiring for any visible damage.

5. Can I still drive my Mercury vehicle with the OBDII code U1249 present?

It is generally safe to drive your Mercury vehicle with the OBDII code U1249 present, as this code typically does not affect the vehicle's drivability or performance. However, it is recommended to address the issue promptly to ensure proper functioning of the time and date features.

6. How can I repair OBDII code U1249 in my Mercury vehicle?

To repair OBDII code U1249 in a Mercury vehicle, you may need to replace the faulty clock module, repair any damaged wiring connections, or update the software related to the time and date functions. It is advisable to consult a professional mechanic for accurate diagnosis and repair.

7. Is resetting the clock in my Mercury vehicle a temporary solution for OBDII code U1249?

Resetting the clock in your Mercury vehicle may temporarily clear the error code U1249, but it is unlikely to resolve the underlying issue causing the invalid or missing data for time and date. It is best to address the root cause of the problem for a lasting solution.

8. Will OBDII code U1249 cause my Mercury vehicle to fail an emissions test?

OBDII code U1249 related to the time and date function is unlikely to cause your Mercury vehicle to fail an emissions test, as it does not directly impact the vehicle's emissions control system. However, it is still recommended to have the issue resolved for overall vehicle health.

9. Can extreme weather conditions trigger OBDII code U1249 in a Mercury vehicle?

Extreme weather conditions may not directly trigger OBDII code U1249 in a Mercury vehicle, but they could potentially exacerbate existing issues with the clock module or wiring connections, leading to errors in the time and date data transmission.

10. How can I prevent OBDII code U1249 from recurring in my Mercury vehicle?

To prevent OBDII code U1249 from recurring in your Mercury vehicle, regular maintenance checks on the clock module and wiring connections are recommended. Keeping the vehicle's software up to date and addressing any issues promptly can help prevent the code from reappearing.