496 – SD P-Charge Mix A
Red alarm. Engine shutdown.
Associated parameter 1.8004.628
Cause
Corrective action
Mixture pressure sensor on A side
faulty, short circuit or wire break.
u
Check sensor and cabling (B79.21), replace as necessary
(→ Page 33) (→ Page 227). Error cleared after restarting the engine.
497 – SD P-Charge Mix B
Red alarm. Engine shutdown.
Associated parameter 1.8004.629
Cause
Corrective action
Mixture pressure sensor on B side
faulty, short circuit or wire break.
u
Check sensor and wiring (B79.22), replace as necessary
(→ Page 33) (→ Page 227). Error cleared after restarting the engine.
498 – SD P-Charge Mix Diff
Red alarm.
Associated parameter 1.8004.630
Cause
Corrective action
Mixture differential pressure
sensor on A or B side faulty, short
circuit or wire break.
u
Check sensors and cabling (B79.21, B79.22), replace as necessary
(→ Page 33) (→ Page 227). Error cleared after restarting the engine.
499 – SD T-Charge Mix
Red alarm.
Associated parameter 1.8004.632
Cause
Corrective action
Mixture temperature sensor
faulty, short circuit or wire break.
u
Check sensor and cabling (B73), replace as necessary (→ Page 33)
(→ Page 227). Error cleared after restarting the engine.
511 – HIHI P-Charge Mix A
Red alarm. Engine shutdown.
Associated parameter 2.0181.932
Cause
Corrective action
Mixture pressure on A side too
high (limit value 2).
1. Check emissions (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check exhaust back pressure.
4. Check valve clearance (→ Page 187).
5. Check restrictor flap.
6. Check mixture coolant system.
152 | Troubleshooting | MS150116/04E 2018-04
TIM-ID: 0000038612 - 004
