536 – AL Wiring PWM_CM1
Cause
Corrective action
The M8 HP fuel control block of
the HP fuel pump can not be
activated.
1. Check engine cabling (→ Page 321).
2. Contact Service.
586 – LO P-Oil Refill Pump
Cause
Corrective action
Oil level in oil refill tank too low.
1. Check engine visually for leakage.
2. Top up engine oil (→ Page 268).
3. Contact Service.
587 – AL Wiring PWM_CM4
Cause
Corrective action
Disruption or short circuit in
wiring from DCM connector X41
to the ECU.
1. Check engine cabling (→ Page 321).
2. Contact Service.
608 – AL Wiring PWM_CM6
Cause
Corrective action
Disruption or short circuit in
wiring to servomotor of
thermomanagement flap 1
(M58.1).
1. Check engine cabling (→ Page 321).
2. Contact Service.
609 – AL Wiring PWM_CM7
Cause
Corrective action
Wire break or short circuit in the
power supply of the TriCAN
sensors (B90).
1. Check engine cabling (→ Page 321).
2. Contact Service.
625 – SD P-Fuel bef. Add.sec.fuelfilter
Cause
Corrective action
The signal from the fuel pressure
sensor (B34.3) before the
additional filter is faulty or
missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
633 – SD P-Ambient Air (HDT2800)
Cause
Corrective action
The signal from the air pressure
sensor (B90) is missing.
u
Contact Service.
MS15065/01E 2019-01
| Troubleshooting | 143
TIM-ID: 0000078552 - 003
