U1500 – Communication Line Fault
Common Troubleshooting Steps
U1501 – refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM).
The ODBII code U1501 indicates a communication issue between the engine control module (ECM) and the transmission control module (TCM), suggesting a failure in data exchange between these two critical components. The severity of ODBII code U1501 is typically considered moderate to severe. Common Causes For: U1499 Manufacturer Specific” communication issue, typically related to the…
U1502 – Control Module Communication Fault
The ODBII code U1502 indicates a “Control Module Communication Fault,” meaning there is a problem with communication between the vehicle’s control modules, which may affect their ability to share data and function properly. Moderate to Severe. Common Causes For: U1501 refers to a communication issue between the engine control module (ECM) and the transmission control…
U1503 – CAN Bus Communication Fault
The ODBII code U1503 indicates a communication fault on the Controller Area Network (CAN) bus, suggesting that there is a problem with data transmission between modules in the vehicle’s network. The severity of ODBII code U1503: CAN Bus Communication Fault is generally considered moderate to severe. Common Causes For: U1502 U1502: “Control Module Communication Fault”…
U1504 – Transmission Control Module Communication Error
The ODBII code U1504 indicates a communication error between the Transmission Control Module (TCM) and other control modules in the vehicle, suggesting a potential issue with data transmission or connectivity. The severity of ODBII code U1504 is moderate to severe. Common Causes For: U1503 U1503: CAN Bus Communication Fault Faulty Transmission Control Module (TCM) Damaged…
U1505 – Body Control Module Communication Error
The ODBII code U1505 indicates a communication error between the Body Control Module (BCM) and other control modules in the vehicle, suggesting a potential issue with wiring, connectors, or the BCM itself. The severity of ODBII code U1505 is moderate. Common Causes For: U1504 U1504: Transmission Control Module Communication Error Faulty Body Control Module (BCM)…
U1506 – Control Module Communication Fault
The ODBII code U1506 indicates a communication fault between control modules in a vehicle, suggesting that one or more modules are not properly communicating with each other. The severity of ODBII code U1506 is moderate. Common Causes For: U1505 U1505: Body Control Module Communication Error Faulty control module Damaged wiring or connectors Poor ground connections…
U1507 – Module Communication Failure
The ODBII code U1507 indicates a communication failure between modules in the vehicle’s network, suggesting that one or more control modules are not able to communicate properly with each other. The severity of ODBII code U1507 is moderate. Common Causes For: U1506 U1506: Control Module Communication Fault Faulty wiring or connectors Failed control module Corrupted…
U1508 – BCM Communication Failure
The ODBII code U1508 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 U1508: “BCM Communication Failure” is generally considered moderate to severe. Common Causes For: U1507 U1507: “Module Communication Failure”…
U1509 – Network Configuration Issue
What this code means The ODBII code U1509 indicates a network configuration issue, typically related to communication problems between modules in the vehicle’s network. Common Causes For: 10. U0010: Bus Off Condition Detected”: Faulty wiring or connectors in the CAN bus system. Malfunctioning control modules or ECUs. Incorrectly configured or incompatible modules. Poor ground connections.…
