U2797 – Control Module Communication Bus Fault
The ODBII code U2797 indicates a communication fault in the control module communication bus, suggesting that there is a problem with the data exchange between various control modules in the vehicle. The severity of ODBII code U2797 is generally considered moderate to severe. Common Causes For: U2796 Invalid Data Received from Vehicle Control Module. Faulty…
U2799 – Invalid Data Received from Vehicle Control Module.
The ODBII code U2799 indicates that the vehicle’s control module has received invalid or corrupted data from another control module, which may affect vehicle performance or functionality. The severity of ODBII code U2799 is generally considered moderate. Common Causes For: U2797 U2797: Control Module Communication Bus Fault Faulty Vehicle Control Module (VCM) Poor or damaged…
U2800 – Network Communication Failure
Common Troubleshooting Steps
U2801 – Communication Bus Off.
The ODBII code U2801 indicates a communication issue where a module on the vehicle’s communication bus has gone offline or is unable to communicate properly with other modules. The severity of ODBII code U2801 Communication Bus Off is moderate to severe. Common Causes For: U2799 Invalid Data Received from Vehicle Control Module. Faulty wiring or…
U2802 – Control Module Communication Bus Fault
The ODBII code U2802 indicates a communication fault in the control module communication bus, suggesting that there is a problem with the data exchange between various control modules in the vehicle. The severity of ODBII code U2802 is generally considered moderate to severe. Common Causes For: U2801 Communication Bus Off. Faulty control module Damaged wiring…
U2803 – Control Module Communication Bus Off.
The ODBII code U2803 indicates a communication issue where a control module is unable to communicate over the vehicle’s communication bus, often due to a fault in the module or wiring. The severity of ODBII code U2803 is typically considered moderate to severe. Common Causes For: U2802 U2802: Control Module Communication Bus Fault Faulty control…
U2804 – Invalid Data Received from Vehicle Control Module.
The ODBII code U2804 indicates that the vehicle’s control module has received invalid or corrupted data from another control module, suggesting a communication issue within the vehicle’s network. The severity of ODBII code U2804 is generally considered moderate. Common Causes For: U2803 Control Module Communication Bus Off. Faulty Vehicle Control Module (VCM) Poor or damaged…
U2805 – Control Module Communication Bus Fault
The ODBII code U2805: Control Module Communication Bus Fault indicates a problem with the communication between control modules in a vehicle, suggesting that one or more modules are not properly exchanging data over the communication bus. The severity of ODBII code U2805 is moderate to severe. Common Causes For: U2804 Invalid Data Received from Vehicle…
U2806 – Signal Interference Detected
The ODBII code U2806: Signal Interference Detected indicates that there is a communication issue or interference in the data signals between modules in the vehicle’s network, potentially affecting their ability to communicate properly. The severity of ODBII code U2806: Signal Interference Detected is generally considered moderate. Common Causes For: 7. U2506: Faulty Control Module Link…
U2807 – Control Module Communication Bus Off.
The ODBII code U2807 indicates a communication issue where a control module is not able to communicate properly on the vehicle’s communication bus, often due to a fault in the module or wiring. The severity of ODBII code U2807 is moderate to high. Common Causes For: U2805 U2805: Control Module Communication Bus Fault Faulty control…