U2021 - Invalid /Fault Data Received
U2021 Possible Causes
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How is the U2021 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 U2021 code
Labor: 1.0The cost to diagnose the U2021 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)
U2021 MeaningThe Diagnostic Trouble Code (DTC) will set when an invalid or fault data received from a Control Module.
More InformationNeed more information on how to fix the U2021 code?
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