MTU 20 V 4000 G23 Operating Instructions Manual page 67

187 – AL CAN1 Error Passive
Cause
CAN controller 1 has signaled a
warning.
188 – AL CAN2 Bus Off
Cause
CAN controller 2 is in "Bus-Off"
status. => Automatic changeover
to CAN 1; short circuit, massive
interference or Baud rate
incompatibility.
189 – AL CAN2 Error Passive
Cause
CAN controller 2 has signaled a
warning.
190 – AL EMU Parameter Not Supported
Cause
EMU parameter are not
supported.
201 – SD T-Coolant
Cause
Coolant temperature sensor
faulty; short circuit or wire break.
202 – SD T-Fuel
Cause
Fuel temperature sensor faulty;
short circuit or wire break.
ZKP-Number: 2.0500.687
Corrective action
1. Inspect CAN bus for short circuit and rectify short circuit as
necessary.
2. Check shielding, improve as necessary.
3. Contact Service.
ZKP-Number: 2.0500.688
Corrective action
1. Inspect CAN bus for short circuit and rectify short circuit as
necessary.
2. Check shielding, improve as necessary.
3. Contact Service.
ZKP-Number: 2.0500.689
Corrective action
1. Inspect CAN bus for short circuit and rectify short circuit as
necessary.
2. Check shielding, improve as necessary.
3. Contact Service.
ZKP-Number: 2.0500.690
Corrective action
u Contact Service.
ZKP-Number: 1.8004.570
Corrective action
u Check sensor and cabling (B6), replace as necessary.
Error cleared after restarting the engine.
ZKP-Number: 1.8004.572
Corrective action
u Check sensor and cabling (B33), replace as necessary.
Error cleared after restarting the engine.
MS150093/01E 2012-06 | Troubleshooting | 67