The ODBII code U1549 indicates a communication failure between the Engine Control Module (ECM) and the Body Control Module (BCM), suggesting that these two modules are unable to exchange data properly. The severity of ODBII code U1549: ECM-BCM Communication Failure is generally considered moderate to severe. Common Causes For: U1548 U1548: “Control Module Communication Failure”…

The ODBII code U1550 indicates a “BCM Communication Failure,” meaning there is a problem with the communication between the Body Control Module (BCM) and other modules in the vehicle’s network. The severity of ODBII code U1550 is moderate. Common Causes For: U1549 U1549: ECM-BCM Communication Failure Faulty Body Control Module (BCM) Poor or damaged wiring/connectors…

The ODBII code U1551 indicates a loss of communication between the vehicle’s control module and the Instrument Panel Cluster (IPC) control module, suggesting a potential issue with wiring, connectors, or the IPC itself. The severity of ODBII code U1551 is generally considered moderate to severe. Common Causes For: U1550 U1550: “BCM Communication Failure” Faulty Instrument…

The ODBII code U1552 indicates a loss of communication between the vehicle’s control modules and the Instrument Panel Cluster (IPC), which may result in the IPC not receiving or sending data properly. The severity of ODBII code U1552 is generally considered moderate to severe, as it indicates a loss of communication with the instrument panel…

The ODBII code U1553: Class 2 Data Bus Communication Failure indicates a malfunction in the Class 2 data bus communication system, which affects the transmission of data between various electronic control units (ECUs) in the vehicle. The severity of ODBII code U1553: Class 2 Data Bus Communication Failure is generally considered moderate to severe, as…

The ODBII code U1554 indicates a loss of communication between the vehicle’s control module and the Instrument Panel Cluster (IPC) control module, suggesting a potential issue with wiring, connectors, or the IPC itself. The severity of ODBII code U1554 is generally considered moderate to severe. Common Causes For: U1553 U1553: Class 2 Data Bus Communication…

The ODBII code U1555 indicates a loss of communication between the vehicle’s control module and the Instrument Panel Cluster (IPC) control module, suggesting a potential issue with wiring, connectors, or the IPC itself. The severity of ODBII code U1555 is generally considered moderate to severe. Common Causes For: U1554 Lost Communication with Instrument Panel Cluster…

The ODBII code U1556 indicates that there is a loss of communication between the vehicle’s control module and the Instrument Panel Cluster (IPC) control module, which may affect the functionality of the dashboard instruments and displays. The severity of ODBII code U1556 is generally considered moderate to severe. Common Causes For: U1555 Lost Communication with…

The ODBII code U1557 indicates that there is a loss of communication between the vehicle’s control module and the Instrument Panel Cluster (IPC) control module, which may affect the functionality of the dashboard instruments and displays. The severity of ODBII code U1557 is generally considered moderate to severe. Common Causes For: U1556 Lost Communication with…

The ODBII code U1558 indicates that there is a communication failure between the vehicle’s control module and the Instrument Panel Cluster (IPC), meaning the IPC is not receiving or sending data as expected. The severity of ODBII code U1558 is generally considered moderate to severe. Common Causes For: U1557 Lost Communication with Instrument Panel Cluster…