COMPONENTS
ILLUSTRATION
ILLUSTRATION
RemovalLost Communication with TCM (U0101)
DESCRIPTION
The Transmission Control Module (TCM) and ECM perform 2-way communication with
each other via the Controller Area Network (CAN). The TCM sends signals to the ECM
concerning required engine speed, required engine torque, warning indicators in
...
Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter and an engine speed signal from the ECM. The tire pressure warning ECU uses
these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...