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U1A01 Code - Telematics Control Unit Internal Malfunction

- Code Popularity: 1,969 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jun 10, 2020
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|Code U1A01 Possible Causes

  • Faulty Telematics Control Unit (TCU)
  • Telematics Control Unit harness is open or shorted
  • Telematics Control Unit circuit poor electrical connection

|How do I Fix the Code U1A01?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code U1A01?

Labor: 1.0

The cost of diagnosing the U1A01 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code U1A01 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code U1A01 Description

The Diagnostic Trouble Code (DTC) will set when an internal Telematics Control Unit (TCU) malfunction is detected.

OBDII Code U1A01 - Telematics Control Unit Internal Malfunction - AutoCodes.com
U1A01 Code - Telematics Control Unit Internal Malfunction

|Need More Information on the U1A01 Code?

Need more information on how to fix the U1A01 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the U1A01 Code?

Get the U1A01 code diagnosed by a professional: Find a repair shop in your area

|Code U1A01 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U1A01 code? Have you replaced any parts?
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