U1110 DODGE, CHRYSLER, JEEP: LOST VEHICLE SPEED MESSAGE
POST UPDATED IN May, 2023
U1110 DODGE, CHRYSLER, JEEP: LOST VEHICLE SPEED MESSAGE
The PCM (Powertrain Control Module) receives an electrical signal informing it of the vehicle speed, the medium used to transmit this data is the Controller Area Network (CAN) C bus from the Anti-Lock Brake Module.
When the DTC U1110 OBD2 code is stored, it is because the PCM/ECM did not receive the vehicle speed signal from the Anti-lock Brake Module.
This is a particular manufacturer’s fault code. And it can be set for several different problems, depending on what the manufacturer wants to set it for. Bus communication systems might or might not be fault-tolerant, meaning that any kind of intermittent/loose connection between each controller could end the communication itself. When these controllers cannot communicate with each other at any time while the power switch is on, the code U1110 appears. It is important to understand this procedure in order to be able to detect the source of the fault and repair it.
U1110 OBDII diagnostic code is set by the following:
In order to troubleshoot the U1110 OBD2 fault code consider the following: