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:
P3700: ISO/SAE Reserved
The P3700 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.
P3800: ISO/SAE Reserved
The P3800 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.
P3900: ISO/SAE Reserved
The P3900 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.
P3A00: ISO/SAE Reserved
The P3A00 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.
P3B00: ISO/SAE Reserved
The P3B00 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.
P3C00: ISO/SAE Reserved
The P3C00 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.
P3D00: ISO/SAE Reserved
The P3D00 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.
P3E00: ISO/SAE Reserved
The P3E00 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.
U0000: ISO/SAE Reserved
The U0000 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.
U0001: High Speed CAN Communication Bus
Is the U0001 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.