The ODBII code U1903 indicates a communication fault in the Controller Area Network (CAN) related to the instrument cluster, suggesting that the instrument cluster is not receiving or sending data properly within the vehicle’s network. Moderate. Common Causes For: U1902 U1902: Instrument Cluster CAN Communication Fault Faulty instrument cluster Damaged or corroded wiring Poor connections…

The ODBII code U1904 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, suggesting a problem with data exchange or connectivity. The severity of ODBII code U1904: “BCM Communication Failure” is moderate. Common Causes For: U1903 U1903: Instrument Cluster CAN Communication Fault Faulty Body Control Module (BCM)…

The ODBII code U1905 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, suggesting a problem with data exchange or connectivity. The severity of ODBII code U1905 is moderate. Common Causes For: U1904 U1904: “BCM Communication Failure” Faulty Body Control Module (BCM) Damaged wiring or connectors Poor…

The ODBII code U1906 indicates a malfunction in the Controller Area Network (CAN) communication system, which affects the ability of various vehicle modules to communicate with each other. The severity of ODBII code U1906 is moderate. Common Causes For: U1905 U1905: “BCM Communication Failure” Faulty CAN bus wiring or connectors Defective CAN bus module Short…

The ODBII code U1907 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, suggesting a problem with data transmission or connectivity. The severity of ODBII code U1907: BCM Communication Failure is moderate. Common Causes For: U1906 U1906: “CAN Communication Malfunction” Faulty Body Control Module (BCM) Poor or…

The ODBII code U1909 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, suggesting a problem with data exchange or connectivity. The severity of ODBII code U1909: “BCM Communication Failure” is generally considered moderate to severe. Common Causes For: U1907 U1907: BCM Communication Failure Faulty Body Control…

The ODBII code U1910 indicates a fault in the CAN (Controller Area Network) communication bus, suggesting a problem with data transmission between modules in the vehicle’s network. The severity of ODBII code U1910 CAN Communication Bus Fault is generally considered moderate to severe. Common Causes For: U1909 U1909: “BCM Communication Failure” Faulty CAN bus wiring…

The ODBII code U1911 indicates a communication error on the CAN bus, specifically that the instrument cluster is not receiving expected messages from other modules in the vehicle. The severity of ODBII code U1911 is generally considered moderate to high. Common Causes For: U1910 CAN Communication Bus Fault. Faulty instrument cluster Damaged or corroded wiring/connectors…

The ODBII code U1912 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1912 is moderate. Common Causes For: U1911 CAN Bus Communication Error – Missing Message from the…

The ODBII code U1913 indicates a failure in the CAN communication bus, specifically that a required message is missing from the network, which can affect communication between various vehicle modules. Moderate. Common Causes For: U1912 U1912: “Module Communication Failure” Faulty CAN bus wiring or connectors Malfunctioning CAN bus module Defective ECU (Electronic Control Unit) Poor…