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U1A03 Code - Telematics Control Unit SIM Card

- Code Popularity: 1,324 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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|U1A03 code 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 code U1A03 code?

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

|Cost of diagnosing U1A03 code

Labor: 1.0

The cost of diagnosing the U1A03 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 U1A03 code possible symptoms?

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

|U1A03 code description

The Diagnostic Trouble Code (DTC) will set when the Telematics Control Unit (TCU) SIM card is not inserted or unable to be read.

OBDII Code u1a03 - Telematics Control Unit SIM Card - AutoCodes.com
U1A03 Code - Telematics Control Unit SIM Card

|Need more information with the U1A03 code?

Need more information on how to fix the U1A03 code? Get Access to Factory Service Manuals

|Information for specific makes

|Need help with a U1A03 code?

Get the u1a03 code diagnosed by a professional: Find a repair shop in your area

|U1A03 code comments

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