The ODBII code U1735 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1735 is moderate. Common Causes For: U1734 U1734: “Module Communication Failure” Faulty wiring or connectors Failed…

The ODBII code U1736 SCP (J1850) indicates a communication issue where the vehicle’s control module is not receiving an acknowledgment signal from the telltale system, which is responsible for warning lights and indicators on the dashboard. The severity of ODBII code U1736 SCP (J1850) Lack of Acknowledgment for Telltales is moderate. Common Causes For: U1735…

The ODBII code U1737 indicates a “Module Communication Failure,” meaning there is a problem with communication between the vehicle’s control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1737 is moderate. Common Causes For: U1736 U1736: TCM Communication Failure Faulty wiring or connectors Failed…

The ODBII code U1738 indicates a communication failure between control modules in a vehicle, suggesting that one or more modules are not properly communicating with each other. The severity of ODBII code U1738 is moderate. Common Causes For: U1737 U1737: “Module Communication Failure” Faulty control module Damaged wiring or connectors Poor ground connections Corroded terminals…

The ODBII code U1739 indicates a “Module Communication Failure,” meaning there is a problem with communication between vehicle control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1739 is moderate. Common Causes For: U1738 U1738: Control Module Communication Failure Faulty wiring or connectors Failed…

The ODBII code U1740 indicates a communication error between the Transmission Control Module (TCM) and other control modules in the vehicle, suggesting a possible issue with wiring, connectors, or the TCM itself. The severity of ODBII code U1740 is moderate to severe. Common Causes For: U1739 U1739: “Module Communication Failure” Faulty Transmission Control Module (TCM)…

The ODBII code U1741: Module Communication Failure indicates that there is a communication issue between the vehicle’s control modules, preventing them from exchanging data properly. The severity of ODBII code **U1741: Module Communication Failure** is generally considered moderate to severe. Common Causes For: U1658: Communication Network Malfunction Faulty wiring or connectors Failed control module Corrupted…

The ODBII code U1742 indicates a “Module Communication Failure,” meaning there is a problem with communication between vehicle control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1742 is moderate. Common Causes For: U1740 U1740: Transmission Control Module Communication Error Faulty wiring or connectors…

The ODBII code U1743 indicates a “Module Communication Failure,” meaning there is a problem with communication between vehicle control modules, often due to a wiring issue, a faulty module, or a network problem. The severity of ODBII code U1743 is generally considered moderate. Common Causes For: U1742 U1742: “Module Communication Failure” Faulty wiring or connectors…

The ODBII code U1744 indicates a communication error between the Transmission Control Module (TCM) and other control modules in the vehicle, suggesting a possible issue with wiring, connectors, or the TCM itself. The severity of ODBII code U1744 is moderate to severe. Common Causes For: U1743 U1743: “Module Communication Failure” Faulty Transmission Control Module (TCM)…