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:
U0111: Lost Communication with Battery Energy Control Module "A"
Is the U0111 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.
U0112: Lost Communication with Battery Energy Control Module "B"
Is the U0112 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.
U0113: Lost Communication with Variable Valve Event and Lift (VVEL) Control Module
Is the U0113 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.
U0114: Lost Communication with Four-Wheel Drive Clutch Control Module
Is the U0114 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.
U0115: Lost Communication With ECM/PCM "B"
Is the U0115 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.
U0116: Lost Communication with Coolant Temperature Control Module
Is the U0116 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.
U0117: Lost Communication with PTO Control Module
Is the U0117 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.
U0118: Lost Communication with Fuel Additive Control Module
Is the U0118 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.
U0119: Lost Communication with Fuel Cell Control Module
Is the U0119 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.
U011A: Lost Communication With Exhaust Gas Sensor Module
Is the U011A 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.