Generic Codes
Generic OBD2 codes are standardized codes that apply to all cars that are OBD2 compliant, regardless of the make or model.
Our collection of articles on this page provides a wealth of information about these codes, going beyond just an explanation of what they mean. We analyze each code in detail, providing technical explanations, common causes, symptoms to look out for, and recommended solutions for each issue.
So why wait? Start exploring now!
In a hurry? Quickly jump to the code you're facing:
U021F: ISO/SAE Reserved
The U021F code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.
U0220: Lost Communication With Door Switch F
Is the U0220 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0221: Lost Communication With Door Switch G
Is the U0221 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0222: Lost Communication With Door Window Motor A
Is the U0222 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0223: Lost Communication With Door Window Motor B
Is the U0223 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0224: Lost Communication With Door Window Motor C
Is the U0224 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0225: Lost Communication With Door Window Motor D
Is the U0225 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0226: Lost Communication With Door Window Motor E
Is the U0226 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0227: Lost Communication With Door Window Motor F
Is the U0227 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0228: Lost Communication With Door Window Motor G
Is the U0228 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.