MTU 16V4000M73 Operating Instructions Manual page 113

476 – AL Crash Rec. Init. Error
Cause
The Crash Recorder data module
was detected as being faulty after
reading out the flash memory.
478 – AL Comb. Alarm Yel (Plant)
Cause
This alarm is raised when a plant
device on the PCS5-CAN signals
the ECU to set a yellow summary
alarm.
479 – AL Comb. Alarm Red (Plant)
Cause
This alarm is raised when a plant
device on the PCS5-CAN signals
the ECU to set a red summary
alarm.
480 – AL Ext. Engine Protection
Cause
The external engine protection
function is active.
482 – SD T-Exhaust C
Cause
The signal from the exhaust gas
temperature sensor (B4.23) is
faulty or missing.
483 – SD T-Exhaust D
Cause
The signal from the exhaust gas
temperature sensor (B4.24) is
faulty or missing.
Corrective action
u Contact Service.
Corrective action
1. Observe additional messages.
2. Contact Service.
Corrective action
1. Observe additional messages.
2. Contact Service.
Corrective action
1. Check plant signal.
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
MS150123/01E 2017-05 | Troubleshooting | 113