The ODBII code U2492 indicates a communication failure between modules in a vehicle’s network, suggesting that one or more control modules are unable to communicate properly with each other. The severity of ODBII code U2492 is moderate. Common Causes For: U2491 U2491: “Module Communication Failure” Faulty wiring or connectors Failed control module Corrupted software or…

The ODBII code U2494 indicates a communication error between the Body Electronic Control Module (BECM) and other modules, specifically due to invalid data being received or transmitted. The severity of ODBII code U2494 is moderate. Common Causes For: U2492 U2492: “Module Communication Failure” Faulty Body Control Module (BCM) Damaged wiring or connectors Poor ground connections…

The ODBII code U2495 indicates a loss of communication with the Hybrid Powertrain Control Module (HPCM) A, which may affect the vehicle’s hybrid system functionality. The severity of ODBII code U2495 is typically considered moderate to severe. Common Causes For: U2494 U2494: BECM Communication Error – Invalid Data Faulty Hybrid Powertrain Control Module (HPCM) Damaged…

The ODBII code U2496 indicates a loss of communication between the vehicle’s main control module and the Battery Energy Control Module (BECM), which may affect battery management and performance. The severity of ODBII code U2496 is generally considered moderate to high. Common Causes For: U2495 Lost Communication with the Hybrid Powertrain Control Module (HPCM) A.…

The ODBII code U2497 indicates a loss of communication with the Battery Energy Control Module (BECM), suggesting that the BECM is not performing as expected or is unable to communicate with other vehicle systems. The severity of ODBII code U2497 is typically considered moderate to severe. Common Causes For: U2496 Lost Communication with Battery Energy…

The ODBII code U2498 indicates a communication failure between modules in the vehicle’s network, suggesting that one or more electronic control units (ECUs) are not communicating properly. The severity of ODBII code U2498 is generally considered moderate. Common Causes For: U2497 Lost Communication with Battery Energy Control Module (BECM) – Battery Energy Control Module (BECM)…

The ODBII code U2499 indicates a loss of communication with the Hybrid Powertrain Control Module, suggesting that the vehicle’s diagnostic system is unable to communicate with this specific module, which may affect hybrid system performance. The severity of ODBII code U2499 is typically considered moderate to severe. Common Causes For: U2498 U2498: “Module Communication Failure”…

The ODBII code U2500 indicates a communication issue in the Controller Area Network (CAN) where the engine management system is not receiving an acknowledgment signal from another module, suggesting a potential fault in the communication line or a malfunctioning module. The severity of ODBII code U2500 is generally considered moderate to severe. Common Causes For:…

The ODBII code U2501 indicates a communication issue where the vehicle’s communication bus is offline or not functioning properly, affecting data exchange between modules. The severity of ODBII code U2501 Communication Bus Off is moderate to severe. Common Causes For: U2500 (CAN) Lack of Acknowledgement From Engine Management Faulty communication wiring or connectors Malfunctioning control…

The ODBII code U2502 indicates a “Control Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, which can affect various systems and functions. The severity of ODBII code U2502 is moderate. Common Causes For: U2501 Communication Bus Off. Faulty control module Poor electrical connections Damaged wiring harness Corroded connectors…