Table of Contents
Advertisement
656 – AL ProActA Comm Lost
Red alarm.
Associated parameter 1.4550.096
Cause
CAN bus communication for
restrictor flap A faulty.
657 – AL ProActB Comm Lost
Red alarm.
Associated parameter 1.4550.196
Cause
CAN bus communication for
restrictor flap B faulty.
658 – AL NOxA Comm Lost
Red alarm.
Associated parameter 1.4560.096
Cause
CAN bus communication for NOx
sensor A faulty.
659 – AL NOxB Comm Lost
Red alarm.
Associated parameter 1.4560.196
Cause
CAN bus communication for NOx
sensor B faulty.
664 – AL Oil Refill Error
Red alarm.
Associated parameter 1.1480.305
Cause
Summary alarm for automatic oil
replenishment.
154 | Troubleshooting | MS150121/02E 2017-09
Corrective action
1. Check cabling (→ Page 202).
2. Check power supply.
3. Carry out restart of ECU, EMU and restrictor flap A.
4. Check settings with device-specific dialog software (XD50.1).
Corrective action
1. Check cabling (→ Page 202).
2. Check power supply.
3. Carry out restart of ECU, EMU and restrictor flap B.
4. Check settings with device-specific dialog software (XD50.2).
Corrective action
1. Check cabling (→ Page 202).
2. Check power supply.
3. Restart ECU.
4. Replace sensor (→ Page 203).
Corrective action
1. Check cabling (→ Page 202).
2. Check power supply.
3. Restart ECU.
4. Replace sensor (→ Page 203).
Corrective action
u After initiation of the alarms "HI Oil Refill" and
"HI Lube Oil Level refill" a programmable timeout period starts. The
engine is stopped when this time expires.
Advertisement
Table of Contents
