Cummins ISB CM550 (1990-94) Fault Code: 243 PID: 121 SPN: 513 FMI: 4 Exhaust Brake Supply Circuit
Circuit Description
The electronic control module (ECM) enables the exhaust brake by sending a signal to the
relay that controls the exhaust brake under certain conditions.
Component Location
Refer to the original equipment manufacturer’s (OEM) diagram for the location of the engine brake.
Categories Cumminz, DTC TRUCKS, ISB CM550 (1990-94)
Tags 1990, 94, CM550, Cummins, FaultCode243, FMI4, ISB, PID121, SPN513
Related products
-
Allison 1000 & 2000 Gen 4 Fault Codes: U0032 J1850 (Class 2) Serial Data Communication Link High
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1096 J1850 (Class 2) IPC Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0870 Transmission Pressure Switch Solenoid E Circuit
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P2771 Four-Wheel Drive Switch Circuit
1000 & 2000 Gen 4 $50.00