834 – AL Gas Line Warning
ZKP-Number: 2.1600.010
Gas line warning
Cause
Corrective action
Lambda sensor faulty.
Lambda regulator at stop.
1. Delete all other fault codes.
2. Check sensor and wiring (→ Page 181).
3. Contact Service.
835 – AL Gas Line Fault
ZKP-Number: 2.1600.012
Gas line fault
Cause
Corrective action
Charge-air pressure sensor
faulty.
Turbine bypass actuator faulty.
EGR flap actuator faulty.
Dispenser cylinder flap actuator
faulty.
Charge-air pressure regulator at
stop.
1. Delete all other fault codes.
2. Check sensor and wiring (→ Page 181).
3. Contact Service.
839 – AL EASF A Not Closed by ECU.
ZKP-Number: 1.2510.133
Emergency-air shutoff flap A closed without actuation
Cause
Corrective action
Emergency-air shutoff flap A was
closed manually.
Short circuit or wire break.
1. Check flap A (→ Page 140).
2. Check wiring (→ Page 181).
3. Contact Service.
840 – AL EASF B Not Closed by ECU.
ZKP-Number: 1.2510.135
Emergency-air shutoff flap B closed without actuation
Cause
Corrective action
Emergency-air shutoff flap B was
closed manually.
Short circuit or wire break.
1. Check flap B (→ Page 140).
2. Check wiring (→ Page 181).
3. Contact Service.
4.
106 | Troubleshooting | MS150096/01E 2012-08
TIM-ID: 0000029153 - 006