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:
U044D: ISO/SAE Reserved
The U044D 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.
U044E: ISO/SAE Reserved
The U044E 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.
U044F: ISO/SAE Reserved
The U044F 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.
U0450: ISO/SAE Reserved
The U0450 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.
U0451: Invalid Data Received From Gateway "E"
Is the U0451 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.
U0452: Invalid Data Received From Restraints Control Module
Is the U0452 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.
U0453: Invalid Data Received From Side Restraints Control Module Left
Is the U0453 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.
U0454: Invalid Data Received From Side Restraints Control Module
Is the U0454 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.
U0455: Invalid Data Received From Restraints Occupant Classification System Module
Is the U0455 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.
U0456: Invalid Data Received From Coolant Temperature Control Module
Is the U0456 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.