Fault
code
Alarm text
Meaning
Task
106
ERR REC1 NOT
VALID
Check sum error of fault mem‐
ory in EDM (redundant data
record 1)
If fault occurs repeatedly: Contact Serv‐
ice.
107
ERR REC2 NOT
VALID
Check sum error of fault mem‐
ory in EDM (redundant data
record 2)
If fault occurs repeatedly: Contact Serv‐
ice.
118
L1 SUPPLY
VOLT. LOW
Supply voltage too low (1st
limit)
Check ECU supply voltage.
119
L2 SUPPLY
VOLT. LOW
Supply voltage too low (2nd
limit)
Check ECU supply voltage.
120
L1 SUPPLY
VOLT. HIGH
Supply voltage too high (1st
limit)
Check ECU supply voltage.
121
L2 SUPPLY
VOLT. HIGH
Supply voltage too high (2nd
limit)
automatic engine shutdown
(depending on project design)
Check ECU supply voltage.
If engine was stopped: Start engine
(→ Page 52).
122
L1 T-ELEC‐
TRONIC
Temperature in ECU housing
too high (1st limit)
1. Improve engine room ventilation.
2. Reduce engine power.
134
15V POS ECU
DEFECT
Electronic equipment defec‐
tive;
automatic engine shutdown
Contact Service.
136
15V NEG ECU
DEFECT
Electronic equipment defec‐
tive;
automatic engine shutdown
Contact Service.
137
L1 5V BUFFER
TEST
Power supply for pressure
sensors defective.
1. Disconnect connectors X2 and X3
from ECU. If alarm does not disap‐
pear: Contact Service.
2. Check wiring (pressure sensors).
3. Contact Service.
138
SENSORPO‐
WERDEFECT
Power supply for pressure
sensors defective.
1. Disconnect connectors X2 and X3
from ECU. If alarm does not disap‐
pear: Contact Service.
2. Check wiring (pressure sensors).
3. Contact Service.
139
L1 TE BUFFER
TEST
Internal electronic fault (tem‐
perature sensors)
Contact Service.
140
TE BUF. ECU
DEFECT
Internal electronic fault (tem‐
perature sensors)
Contact Service.
142
BANK1 ECU DE‐
FECT
Internal electronic fault;
Engine does not start
Contact Service.
144
BANK2 ECU DE‐
FECT
Internal electronic fault;
Engine does not start
Contact Service.
145
15V_GOOD ECU
DEFECT
Electronic equipment defec‐
tive;
automatic engine shutdown
Contact Service.
76 | Troubleshooting | MS150025/02E 2012-10
TIM-ID: 0000003157 - 001