P1447

2776 - P1447

Information saved in
DME

Fault code
2776 - P1447

Fault text
DMTL pump

Fault description


Condition for fault identification
Test condition:
Switch valve from reference measurement to tank
measurement
tumg >= K_DMTL_TEMP_VENT_Min (is ignored in test
routine's control activation)
Terminal condition: none
Voltage condition:
none

Condition for fault memory entry
Pump current drop < K_DMTL_I_FAKT_P

Action in service
1. Delete stored DTCs from error memory, perform DMTL
system test
2. Check plug on and wiring harness leading to the DMTL
module
3. Inspect hoses
4. Replace DMTL module

Fault effect and breakdown warning
Driver cannot feel problem / no tank leakage diagnosis
routines

Driver information
Warning light:
No

Service instruction
none