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:
U0407: Invalid Data Received From Glow Plug Control Module
Is the U0407 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.
U0408: Invalid Data Received From Throttle Actuator Control Module
Is the U0408 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.
U0409: Invalid Data Received From Alternative Fuel Control Module
Is the U0409 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.
U040A: Invalid Data Received From Air Conditioning (A/C) Control Module
Is the U040A 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.
U040B: Invalid Data Received From Exhaust Gas Recirculation Control Module "A"
Is the U040B 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.
U040C: Invalid Data Received From Exhaust Gas Recirculation Control Module "B"
Is the U040C 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.
U040D: Invalid Data Received From Turbocharger/Supercharger Control Module "A"
Is the U040D 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.
U040E: Invalid Data Received From Turbocharger/Supercharger Control Module "B"
Is the U040E 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.
U040F: Invalid Data Received From Reductant Control Module
Is the U040F 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.
U0410: Invalid Data Received From Fuel Pump Control Module
Is the U0410 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.