Engine Controls System: 2779

2779 - P0442

Information saved in
DME

Fault code
2779 - P0442

Fault text
DMTL leakage detection

Fault description
Evaporative Emission System Leak Detected (small leak)

Condition for fault identification
Test condition:
Current rise during diagnosis less then (dmtl_i_ref -
dmtl_i_min) x 0.21 (K_DMTL_I_FAKT_GROB) +
dmtl_i_min
Terminal condition: TERM15 off
Voltage condition:
11V < UBatt < 14.5V (k_dmtl_ub_min ; k_dmtl_ub_max),
with start using tester: None

Condition for fault memory entry
none

Action in service
1. Check filler cap seal
2. Pressurize tank and search for leaks

Fault effect and breakdown warning
CC message / possible gasoline odor

Driver information
Warning light:
MIL, CC message

Service instruction
none