Lost Communication With Transmission Control Module
Table of contents
U0101 KIA Possible Causes
- Check for more codes
- Faulty Transmission Control Module (TCM)
- TCM harness is open or shorted
- TCM circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code U0101 KIA?
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.
Cost of diagnosing the U0101 KIA code
The cost of diagnosing the U0101 KIA 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U0101 KIA Description
Checking Transmission Control Module (TCM) ID under detecting condition, if the Engine Control Module (ECM) does not take TCM signal within a certain period, Powertrain Control Module (PCM) sets U0101. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycles.
