U0493

Invalid Data Received From Personal Computer

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

~$56 (est.)

Symptoms

Check Engine light comes on
Problems connecting diagnostic equipment
Errors when trying to program the ECU
Unstable operation of diagnostic software

Causes

Using incompatible diagnostic software
Diagnostic cable problems
Malfunction of diagnostic equipment
Errors in the communication protocol
Problems with the car's ECU software

How to Fix

Check the compatibility of diagnostic equipment with the car
Use a different cable to connect
Update diagnostic software
Try different diagnostic equipment
Check for ECU firmware updates

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