MTU 12V2000M91 - Page 60

RL 211+A002-A040
Cause Corrective action
GMU 1 (PIM No. 21.X+A002-
A040) not detected on redundant
CAN bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have GCU/GMU checked and replaced if required.
RL 211+A003-ECU
Cause Corrective action
ECU 4 not detected on redundant
CAN bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Check ECU plug-in connections (→ Page 147).
4. Contact Service.
• have ECU checked and replaced, if required.
RL 211+A004-EMU
Cause Corrective action
EMU 1 not detected on redundant
bus
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• have EMU checked and replaced, if required.
RL 211+A300-A500
Cause Corrective action
RCS with PIM No. 21.X+A300-
A500 not detected on redundant
CAN bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have RCS checked and replaced, if required.
RL 211+A300-A501
Cause Corrective action
PCU (PIM No. 21.X+A30-A501)
not detected on redundant CAN
bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have PCU checked and replaced, if required.
SS Safety System Failure (EMU)
Cause Corrective action
Safety system has detected fault
on Engine Monitoring Unit.
u Contact Service.
SS Power Reduction Active
Cause Corrective action
Safety system has requested
power reduction.
1. Determine cause of automatic power reduction.
2. Observe further display messages/alarms.
3. Contact Service.
60 | Troubleshooting | MW15409/04E 2015-08
TIM-ID: 0000042361 - 001