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975 – AL CAN3 Error Passive
Yellow alarm.
Associated parameter 2.0500.693
Cause
Corrective action
CAN controller 3 has indicated a
warning. Bus nodes (ignition,
knock module, restrictor flaps or
gas mixture) malfunctioning.
u
Check operation of bus users and cabling.
976 – AL CAN4 Bus Off
Yellow alarm.
Associated parameter 2.0500.694
Cause
Corrective action
CAN controller 4 is in “Bus Off”
status. Bus nodes (ignition, knock
module, restrictor flaps or gas
mixture) malfunctioning.
u
Check operation of bus users and cabling.
977 – AL CAN4 Error Passive
Yellow alarm.
Associated parameter 2.0500.695
Cause
Corrective action
CAN controller 4 has indicated a
warning.
u
None
1012 – AL MIC5 parameter download active
Yellow alarm.
Associated parameter 1.4520.966
Cause
Corrective action
Parameter download from the
ECU to the ignition system is
active.
u
Wait until parameter downloading has been completed. Max. time
is approx. 2 min.
1013 – HI Delta NOx (A-B)
Yellow alarm.
Associated parameter 2.3050.119
Cause
Corrective action
NOx values measured for banks A
and B are too far apart (limit value
1).
1. Check emissions (→ Page 57).
2. Check NOx sensors (→ Page 33).
3. Check ignition points. (→ Page 186)
MS150116/04E 2018-04
| Troubleshooting | 171
TIM-ID: 0000038612 - 004