122 – HI T-ECU
Cause
Corrective action
The temperature inside the ECU
has violated the limit value. The
internal temperature is too high.
1. Disconnect power supply.
2. Check power supply (plant).
3. Contact Service.
180 – AL CAN1 Node Lost
Cause
Corrective action
Connection or communication
with a node on CAN bus 1 has
failed.
1. Check engine wiring (→ Page 135).
2. Disconnect power supply, then reconnect.
3. Contact Service.
181 – AL CAN2 Node Lost
Cause
Corrective action
Connection or communication
with a node on CAN bus 2 has
failed.
1. Check engine wiring (→ Page 135).
2. Disconnect power supply, then reconnect.
3. Contact Service.
186 – AL CAN1 Bus Off
Cause
Corrective action
CAN bus 1 to MTU automation
system (e.g. ECU/MAU/SAM)
disrupted or faulty.
1. Check plug connections to Engine Control Unit (→ Page 137).
2. Contact Service.
187 – AL CAN1 Error Passive
Cause
Corrective action
CAN bus 1 to MTU automation
system (e.g. ECU/MAU/SAM)
disrupted or faulty.
1. Check plug connections to Engine Control Unit (→ Page 137).
2. Contact Service.
188 – AL CAN2 Bus Off
Cause
Corrective action
CAN bus 2 to plant automation
system (e.g. Murphy display)
disrupted or faulty.
1. Check connection between plant automation system and MTU
automation system.
2. Contact Service.
189 – AL CAN2 Error Passive
Cause
Corrective action
CAN bus 2 to plant automation
system (e.g. Murphy display)
disrupted or faulty.
1. Check connection between plant automation system and MTU
automation system.
2. Contact Service.
MS150100/04E 2015-09
| Troubleshooting | 69
TIM-ID: 0000064702 - 001
