U1797 – refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM).
The ODBII code U1797 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 components. The severity of ODBII code U1797 is typically considered moderate to severe. Common Causes For: U1796 U1796: “Control Module Communication Failure” Faulty wiring or connectors…
u1797 lack of acknowledgment for door locks
OBD2 Code: U1797 Description: Lack of acknowledgment for door locks Definition: This code indicates a communication issue within the vehicle’s network, specifically related to the body control module (BCM) not receiving an acknowledgment signal from the door lock system. OBD2 Code: U1797 Description: Lack of acknowledgment for door locks Common Causes: Faulty door lock actuator…
u1797 lack of acknowledgment for door locks
What it means: OBD2 Code: U1797 Description: Lack of acknowledgment for door locks Definition: This code indicates a communication issue within the vehicle’s network, specifically related to the body control module (BCM) not receiving an acknowledgment signal from the door lock system. Common Causes: OBD2 Code: U1797 Description: Lack of acknowledgment for door locks Common…
U1798 – SCP (J1850) Lack of Acknowledgment for External Access (Doors)
The ODBII code U1798 SCP (J1850) indicates a lack of acknowledgment from the vehicle’s external access system, specifically related to the doors, suggesting a communication issue between modules. The severity of ODBII code U1798 is moderate. Common Causes For: U1797 SCP (J1850) Lack of Acknowledgment for Door Locks Faulty communication between modules Damaged wiring or…
U1799 – Control Module Communication Failure
The ODBII code U1799 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. The severity of ODBII code U1799 is moderate. Common Causes For: U1798 U1798: ECM-TCM Communication Failure Faulty control module Poor electrical connections Damaged wiring harness Corroded…
U1800 – Data Bus Communication Failure
The ODBII code U1800 indicates a “Data Bus Communication Failure,” meaning there is a problem with the communication between the vehicle’s control modules over the data bus network. The severity of ODBII code U1800 is moderate. Common Causes For: U1799 U1799: “Control Module Communication Failure” Faulty wiring or connectors in the data bus system Malfunctioning…
U1801 – CAN Communication Bus Fault.
The ODBII code U1801 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 U1801 CAN Communication Bus Fault is moderate. Common Causes For: U1800 U1800: “Data Bus Communication Failure” Faulty CAN bus wiring or connectors Malfunctioning CAN bus…
U1802 – Data Bus Communication Fault
The ODBII code U1802 indicates a data bus communication fault, meaning there is a problem with the communication between the vehicle’s control modules over the data bus network. The severity of ODBII code U1802 is moderate. Common Causes For: U1801 CAN Communication Bus Fault. Faulty wiring or connectors in the data bus system Malfunctioning control…
U1803 – Data Bus Communication Fault
The ODBII code U1803: Data Bus Communication Fault indicates a problem with the communication between modules on the vehicle’s data bus, which may affect the operation of various electronic systems. The severity of ODBII code U1803 is moderate. Common Causes For: U1802 U1802: Data Bus Communication Fault Faulty wiring or connectors in the data bus…
U1804 – Data Bus Communication Fault
The ODBII code U1804 indicates a data bus communication fault, meaning there is a problem with the communication between the vehicle’s control modules over the data bus network. The severity of ODBII code U1804 is moderate. Common Causes For: U1803 U1803: Data Bus Communication Fault Faulty wiring or connectors in the data bus system Malfunctioning…