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:
U0297: Lost Communication With AC to DC Converter Control Module-B
Is the U0297 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.
U0298: Lost Communication With DC to DC Converter Control Module-A
Is the U0298 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.
U0299: Lost Communication With DC to DC Converter Control Module-B
Is the U0299 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.
U029A: Lost Communication With Hybrid Battery Pack Sensor Module
Is the U029A 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.
U029B: Lost Communication with Drive Motor Control Module C
Is the U029B 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.
U029C: Lost Communication with Drive Motor Control Module D
Is the U029C 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.
U029D: Lost Communication With NOX Sensor A
Is the U029D 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.
U029E: Lost Communication With NOX Sensor B
Is the U029E 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.
U029F: ISO/SAE Reserved
The U029F 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.
U02A0: ISO/SAE Reserved
The U02A0 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.