The ODBII code U1274 indicates a communication issue where the vehicle’s communication bus is offline or not functioning properly, preventing data exchange between modules. The severity of ODBII code U1274 Communication Bus Off is moderate to severe. Common Causes For: U1273 Communication Bus Off. Faulty wiring or connectors in the communication bus. Malfunctioning control modules.…

The ODBII code U1275 indicates a “Module Communication Failure,” meaning that there is a problem with communication between the vehicle’s control modules, often due to a fault in the wiring, connectors, or the modules themselves. The severity of ODBII code U1275 is moderate. Common Causes For: U1274 Communication Bus Off. Faulty wiring or connectors Failed…

The ODBII code U1276 indicates that the vehicle’s control module has detected invalid or missing data from the vehicle speed sensor, which may affect the vehicle’s performance and systems relying on speed information. The severity of ODBII code U1276 is moderate. Common Causes For: U1275 U1275: “Module Communication Failure” Faulty vehicle speed sensor (VSS) Damaged…

The ODBII code U1277 indicates a “Module Communication Failure,” meaning that there is a problem with communication between the vehicle’s control modules, often due to a fault in the wiring, connectors, or the modules themselves. The severity of ODBII code U1277 is moderate. Common Causes For: U1276 Invalid or Missing Data from Vehicle Speed Sensor.…

The ODBII code U1278 indicates a “Module Communication Failure,” meaning that there is a problem with communication between the vehicle’s control modules, often due to a fault in the wiring, connectors, or the modules themselves. The severity of ODBII code U1278 is moderate. Common Causes For: U1277 U1277: “Module Communication Failure” Faulty wiring or connectors…

The ODBII code U1279 indicates that the vehicle’s control module has detected invalid or missing data related to vehicle speed, which may affect the performance of various systems. The severity of ODBII code U1279 is moderate. Common Causes For: U1278 U1278: “Module Communication Failure” Faulty vehicle speed sensor Damaged wiring or connectors Faulty engine control…

The ODBII code U1280 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, which may affect their ability to exchange data properly. The severity of ODBII code U1280 is moderate. Common Causes For: U1279 Invalid or Missing Data for Vehicle Speed. Faulty wiring or connectors Failed or…

The ODBII code U1281: Module Communication Failure indicates a loss of communication between the vehicle’s control modules, often due to a wiring issue, faulty module, or network problem. Moderate. Common Causes For: U1280 U1280: “Module Communication Failure” Faulty wiring or connectors Failed control module Poor ground connections Corroded terminals Intermittent communication issues Software or firmware…

The ODBII code U1282 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, which may affect their ability to share data or function properly. The severity of ODBII code U1282 is moderate. Common Causes For: U1281 U1281: Module Communication Failure Faulty wiring or connectors Failed or malfunctioning…

The ODBII code U1283: Communication Line Fault indicates a problem with the communication between modules in the vehicle’s network, suggesting that one or more control modules are unable to communicate properly. The severity of ODBII code **U1283: Communication Line Fault** is generally considered moderate to severe. Common Causes For: U1237: Module Communication Failure Faulty wiring…