P240A

271B - P240A

Information saved in
DME

Fault code
271B - P240A

Fault text
DMTL heater, activation

Fault description
DMTL, heater, activation: Open circuit/wire

Condition for fault identification
Test condition:
Output stage diagnosis
Terminal condition: Terminal 15
Voltage condition:
9 V < Battery voltage < 16 V

Condition for fault memory entry
0.5 sec.

Action in service
1. Inspect wire between DME Pin CH-315(O_S_TDMH)
and DMTL
2. Inspect plug-in contacts
3. Check power supply to DMTL module
4. Replace DMTL
5. Replace DME

Fault effect and breakdown warning
None
MIL on, customer proceeds to service facility.

Driver information
Warning light:
MIL ON (US only)

Service instruction
None