U1934 – Module Communication Failure
The ODBII code U1934 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, often due to a fault in the wiring, connectors, or the modules themselves. The severity of ODBII code U1934 is moderate. Common Causes For: U1931 U1931: “Module Communication Failure” Faulty wiring or connectors Failed…
U1935 – CAN Communication Bus Fault.
The ODBII code U1935 indicates a fault in the CAN (Controller Area Network) communication bus, suggesting a communication issue between modules in the vehicle’s network. The severity of ODBII code U1935 CAN Communication Bus Fault is generally considered moderate to severe. Common Causes For: U1934 U1934: “Module Communication Failure” Faulty CAN bus wiring or connectors…
U1936 – Module Communication Failure
The ODBII code U1936 indicates a communication failure between modules in a vehicle’s network, suggesting that one or more control modules are not able to communicate properly with each other. The severity of ODBII code U1936 is generally considered moderate. Common Causes For: U1935 CAN Communication Bus Fault. Faulty wiring or connectors Failed or malfunctioning…
U1937 – Module Communication Failure
The ODBII code U1937 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 U1937 is generally considered moderate to severe. Common Causes For: U1936 U1936: “Module Communication Failure” Faulty wiring or…
U1938 – Module Communication Failure
The ODBII code U1938 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 U1938 is moderate. Common Causes For: U1937 U1937: “Module Communication Failure” Faulty wiring or connectors Failed or malfunctioning…
U1939 – CAN Bus Communication Fault
The ODBII code U1939: CAN Bus Communication Fault indicates a problem with the communication on the Controller Area Network (CAN) bus, which may affect the transmission of data between various vehicle modules. The severity of ODBII code U1939: CAN Bus Communication Fault is moderate to severe. Common Causes For: U1938 U1938: “Module Communication Failure” Faulty…
U1940 – Lost Communication with the Body Control Module (BCM).
The ODBII code U1940 indicates that there is a loss of communication between the vehicle’s control module and the Body Control Module (BCM), which may affect various electrical functions and systems in the vehicle. The severity of ODBII code U1940 is generally considered moderate. Common Causes For: U1939 U1939: CAN Bus Communication Fault Faulty Body…
U1941 – Control Module Communication Fault
The ODBII code U1941 indicates a “Control Module Communication Fault,” meaning there is a problem with communication between control modules in the vehicle, which may affect their ability to share data or function properly. The severity of ODBII code U1941 is moderate. Common Causes For: U1940 Lost Communication with the Body Control Module (BCM). Faulty…
U1942 – Lost Communication with the Hybrid Powertrain Control Module (HPCM).
The ODBII code U1942 indicates that there is a communication failure between the vehicle’s main control module and the Hybrid Powertrain Control Module (HPCM), which may affect the operation of the hybrid system. The severity of ODBII code U1942 is generally considered moderate to severe. Common Causes For: U1941 U1941: “Control Module Communication Fault” Faulty…
U1943 – Lost Communication with the Hybrid Powertrain Control Module (HPCM) A.
The ODBII code U1943 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 U1943 is typically considered moderate to severe. Common Causes For: U1942 Lost Communication with the Hybrid Powertrain Control Module (HPCM)”. Faulty Hybrid Powertrain Control Module…