U1538 – Module Communication Failure
The ODBII code U1538 indicates a communication failure between modules in the vehicle’s network, suggesting that one or more electronic control units (ECUs) are unable to communicate properly with each other. The severity of ODBII code U1538 is generally considered moderate to severe. Common Causes For: U1537 U1537: “Module Communication Failure” Faulty wiring or connectors…
U1539 – Module Communication Failure
The ODBII code U1539 indicates a “Module Communication Failure,” meaning there is a problem with communication between vehicle modules, often due to a fault in the wiring, connectors, or the modules themselves. The severity of ODBII code U1539 is moderate. Common Causes For: U1538 U1538: “Module Communication Failure” Faulty wiring or connectors Failed or malfunctioning…
U1540 – BCM Communication Failure
The ODBII code U1540 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, which can affect various electrical functions and systems. The severity of ODBII code U1540: “BCM Communication Failure” is generally considered moderate to severe. Common Causes For: U1539 U1539: “Module Communication Failure” Faulty Body Control…
U1541 – BCM Communication Failure
The ODBII code U1541 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, suggesting a potential issue with wiring, connectors, or the BCM itself. The severity of ODBII code U1541: “BCM Communication Failure” is generally considered moderate to severe. Common Causes For: U1540 U1540: “BCM Communication Failure”…
U1542 – BCM Communication Failure
The ODBII code U1542 indicates a communication failure between the Body Control Module (BCM) and other modules in the vehicle’s network, which can lead to issues with various electrical systems and features. The severity of ODBII code U1542: “BCM Communication Failure” is generally considered moderate to severe. Common Causes For: U1541 U1541: “BCM Communication Failure”…
U1543 – ECM-BCM Communication Failure
The ODBII code U1543 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 U1543: ECM-BCM Communication Failure is moderate to severe. Common Causes For: U1542 U1542: “BCM Communication Failure” Faulty ECM (Engine…
U1544 – BCM Communication Failure
The ODBII code U1544: BCM Communication Failure indicates a communication issue between the Body Control Module (BCM) and other modules in the vehicle’s network. The severity of ODBII code U1544: BCM Communication Failure is moderate. Common Causes For: U1543 U1543: ECM-BCM Communication Failure Faulty Body Control Module (BCM) Poor electrical connections or wiring issues Corroded…
U1545 – BCM Communication Failure
The ODBII code U1545 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 U1545 is moderate to high. Common Causes For: U1544 U1544: BCM Communication Failure Faulty Body Control Module (BCM) Poor or damaged…
U1546 – Control Module Communication Failure
The ODBII code U1546 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. Moderate to Severe. Common Causes For: U1545 U1545: “BCM Communication Failure” Faulty control module Poor electrical connections Damaged wiring harness Corroded connectors Software issues or bugs…
U1548 – Control Module Communication Failure
The ODBII code U1548 indicates a “Control Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, which may affect their ability to share data and function properly. The severity of ODBII code U1548 is moderate. Common Causes For: U1546 U1546: “Control Module Communication Failure” Faulty control module Poor electrical…