2778 - P240B (DME)

2778 - P240B

Information saved in
DME

Fault code
2778 - P240B

Fault text
DMTL heating

Fault description


Condition for fault identification
Test condition:
Heater is not activated
Terminal condition: none
Voltage condition:
ub > K_ED_PlusMin

Condition for fault memory entry
Driver diagnosis ATIC39
(voltage too low)

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

Fault effect and breakdown warning
No symptoms are apparent to the vehicle's driver
A DTC may be entered
DMTL pump moisture cancelation accompanied by MIL

Driver information
Warning light:
No

Service instruction
none