MTU 12V2000M91 - Page 59

MG Eng Speed High/Low (Clutch)
Cause Corrective action
RCS message. u Speed reduction
MG Engagement Fault
Cause Corrective action
RCS message. u Contact Service.
• Have GCU solenoid checked and replaced, if required.
• Have GCU wiring checked and replaced, if required .
MG Check Start Interlocks
Cause Corrective action
Start conditions are not fulfiulled. u Check start conditions and fulfill if necessary.
RL 211+A001-A001
Cause Corrective action
DIS not detected on redundant
bus
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have DIS checked and replaced, if required.
RL 211+A001-A010
Cause Corrective action
LCU of LOP 1 (PIM No. 21.X
+A001-A010) not detected on
redundant CAN bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have MPU 23 of PIM No. 21.X+A001-A010 checked and
replaced, if required.
RL 211+A001-A020
Cause Corrective action
LMU of LOP 1 (PIM No. 21.X
+A001-A020) not detected on
redundant CAN bus.
1. Check LOP visually (→ Page 151).
2. Perform LOP test procedures (→ Page 153).
3. Contact Service.
• Have MPU 23 of PIM No. 21.X+A001-A020 checked and
replaced, if required.
RL 211+A002-A030
Cause Corrective action
GCU 1 (PIM No. 21.X+A002-
A030) 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.
MW15409/04E 2015-08 | Troubleshooting | 59
TIM-ID: 0000042361 - 001