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:
U0251: Lost Communication With Running Board Control Module B
Is the U0251 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.
U0252: Lost Communication With Lighting Control Module Rear B
Is the U0252 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.
U0253: Lost Communication With Accessory Protocol Interface Module
Is the U0253 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.
U0254: Lost Communication With Remote Start Module
Is the U0254 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.
U0255: Lost Communication With Front Display Interface Module
Is the U0255 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.
U0256: Lost Communication With Front Controls Interface Module "A"
Is the U0256 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.
U0257: Lost Communication With Front Controls/Display Interface Module
Is the U0257 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.
U0258: Lost Communication With Radio Transceiver
Is the U0258 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.
U0259: Lost Communication With Special Purpose Vehicle Control Module A
Is the U0259 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.
U025A: Lost Communication With Special Purpose Vehicle Control Module B
Is the U025A 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.