(DME) Condition For Fault ID - 1

277A - P1434

Information saved in
DME

Fault code
277A - P1434

Fault text
DMTL pump, moisture termination

Fault description
Diagnostic Module Tank Leakage (DM-TL)

Condition for fault identification
Test condition:
Current fluctuation > 1mA (K_DMTL_I_REF_DIFF) with
reference leak check at outset of diagnosis
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
More than 0 (K_DMTL_ABBR_FEUCHT) aborts

Action in service
1. Clear fault memory, DMTL system test
2. Check plug and wiring harness on DMTL module
3. Replace DMTL module

Fault effect and breakdown warning
Tank leak diagnosis fails to complete routine, readiness is
not set

Driver information
Warning light:
MIL

Service instruction
none