U1A01 - Telematics Control Unit Internal Malfunction
U1A01 Possible Causes
- Faulty Telematics Control Unit (TCU)
- Telematics Control Unit harness is open or shorted
- Telematics Control Unit circuit poor electrical connection
How is the U1A01 code repair?Start by checking 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.
What is the cost to diagnose the U1A01 code
Labor: 1.0The cost to diagnose the U1A01 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
U1A01 MeaningThe Diagnostic Trouble Code (DTC) will set when an internal Telematics Control Unit (TCU) malfunction is detected.
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