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728 – AL L2 Delta T-NT Intercooler
ZKP-Number: 2.1075.903
No alarm, fault is entered
Cause
Corrective action
T-Max. Coolant Intercooler
Exceeded L2.
1. Reduce power.
2. Check intercooler and coolant cooler.
3. Check charge-air coolant circuit.
745 – AL Emission Fault
ZKP-Number: 2.1600.004
Red alarm; power reduction ≥ 20%
Cause
Corrective action
Emission fault.
1. Reduce power.
2. Check sensors and wiring.
754 – SD Bosch LSU Lambda Sensor
ZKP-Number: 1.0800.990
Yellow alarm; warning
Cause
Corrective action
Bosch LSU lambda sensor
faulty.
u
Check sensor and wiring, replace as necessary.
757 – AL Lim T-Coolant NT-Fan
ZKP-Number: 2.2800.900
Yellow alarm; warning
Cause
Corrective action
Charge-air cooler coolant has
exceeded limit value.
1. Check coolant level, top up if necessary.
2. Check thermostat.
3. Check air filter.
796 – AL HI T-Charge Air B
ZKP-Number: 2.0146.931
Yellow alarm; warning
Cause
Corrective action
Charge-air temperature too high.
1. Reduce power.
2. If fault code number 9 is signaled at the same time, then it has
priority.
MS15033/02E 2015-02
| Troubleshooting | 75
TIM-ID: 0000047144 - 003