AutoCodes – Dodge – U1212 Dodge

U1212 Dodge Code - Lost Communication With Ultrasonic Alarm Module Missing Message

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Ultrasonic Alarm Module (UAM). Common causes include Faulty Ultrasonic Alarm Module (UAM), Ultrasonic Alarm Module harness is open or shorted, Ultrasonic Alarm Module 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
U1212 Dodge indicates Lost Communication With Ultrasonic Alarm Module Missing Message.
Common causes
Common causes include Faulty Ultrasonic Alarm Module (UAM), Ultrasonic Alarm Module harness is open or shorted, Ultrasonic Alarm Module 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 814
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 03, 2020
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Code U1212 Dodge Description

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Ultrasonic Alarm Module (UAM).
OBDII Code U1212 Dodge - Lost Communication With Ultrasonic Alarm Module Missing Message - AutoCodes.com
U1212 Dodge Code - Lost Communication With Ultrasonic Alarm Module Missing Message

What are the Possible Causes of the DTC U1212 Dodge?

  • Faulty Ultrasonic Alarm Module (UAM)
  • Ultrasonic Alarm Module harness is open or shorted
  • Ultrasonic Alarm Module circuit poor electrical connection

How to Fix the DTC U1212 Dodge?

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 U1212 Dodge 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 U1212 Dodge Code

1. What are the common symptoms of OBDII code U1212 in a Dodge related to the Ultrasonic Alarm Module?

The common symptoms include the alarm system not functioning properly, alarm going off randomly, and the inability to control the alarm settings.

2. What are the possible causes of the U1212 code indicating a lost communication with the Ultrasonic Alarm Module in a Dodge?

The code U1212 can be triggered by issues such as a faulty ultrasonic alarm module, damaged wiring or connectors, or a communication breakdown between the module and the vehicle's computer.

3. How can I diagnose the U1212 code in my Dodge if I suspect a problem with the Ultrasonic Alarm Module?

Diagnosing the U1212 code involves checking the wiring and connectors related to the ultrasonic alarm module, testing the module itself for proper functionality, and scanning for any additional related fault codes.

4. Is it safe to drive my Dodge with the U1212 code related to the Ultrasonic Alarm Module issue?

While it may be safe to drive the vehicle with this code, it is recommended to address the underlying problem promptly to ensure the proper functioning of the alarm system and overall vehicle security.

5. Can I repair the U1212 code related to the Ultrasonic Alarm Module issue in my Dodge myself?

Depending on your experience and access to diagnostic tools, you may be able to repair the issue yourself by checking and fixing wiring connections, replacing the ultrasonic alarm module if necessary, or resetting the alarm system through proper procedures.

6. Are there any temporary solutions to consider for the U1212 code in a Dodge until I can address the issue permanently?

One temporary solution can be to disconnect the ultrasonic alarm module to prevent it from triggering false alarms until a proper repair or replacement can be made.

7. Will resetting the OBDII system clear the U1212 code related to the Ultrasonic Alarm Module issue in my Dodge?

Resetting the system may temporarily clear the code, but if the underlying problem with the ultrasonic alarm module persists, the code is likely to reappear.

8. How much does it typically cost to repair the U1212 code linked to the Ultrasonic Alarm Module in a Dodge?

The cost of repairing the U1212 code can vary depending on the specific issue at hand, but it may involve expenses related to parts replacement, labor, and diagnostic fees.

9. Can a U1212 code related to the Ultrasonic Alarm Module problem affect other systems in my Dodge?

While the U1212 code is primarily associated with the ultrasonic alarm module, communication issues within the vehicle's network can potentially impact other systems, so it's essential to address the problem promptly.

10. Is it necessary to visit a dealership or automotive specialist to resolve the U1212 code related to the Ultrasonic Alarm Module in my Dodge?

While professional expertise may be required for accurate diagnosis and repair, some simpler issues like checking wiring connections can be performed by experienced DIY enthusiasts.

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