2ACB - P0686 (DME)

2ACB - P0686

Information saved in
DME

Fault code
2ACB - P0686

Fault text
DME master relay, activation

Fault description
ECM/PCM Power Relay Control Circuit Low

Condition for fault identification
Test condition:
Main relay monitoring
Main relay must have opened.
Terminal condition: First Terminal 15 OFF
(wait until main relay opens)
then Terminal 15 ON
(and leave ON)
Voltage condition:
Voltage in onboard electrical system > 10 V

Condition for fault memory entry
none

Action in service
1 Check wiring
Repair if defective
If wiring is OK proceed
to check component

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none