volvo — Volvo Trucks Group 43 MID 130/223 DTC Service Manual

Group 43 MID 130 Transmission Control Unit, Fault Codes MID 130 PID 161 Input Shaft, Rotation Speed 20 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 1 • Data valid but below operational range • The sensor signal is within normal range and, • The counter shaft speed differs from both the main shaft speed (SESM) and the vehicle speed received from the Vehicle ECU when the counter shaft is rotating The following conditions must be fulfilled for a time of 2.0 s in order to activate:

• A gear (not neutral) is engaged in the transmission • The value of the input shaft speed calculated from the main shaft speed sensor (SESM) is more than 300 rpm • The value of the input shaft speed calculated from the counter shaft speed sensor (SESC) is more than 300 rpm • Yellow lamp is sent • Slow gear changes • Transmission brake up-shifts cannot be used • Engagement point not functioning properly • Starting gear can only be engaged when the vehicle is stationary or when the vehicle speed is high enough to synchronize the transmission with the engine • N/A