2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 50
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
2ACB - P0687 (DME)
2ACB - P0687
Information saved in
DME
Fault code
2ACB - P0687
Fault text
DME master relay, activation
Fault description
ECM/PCM Power Relay Control Circuit High
Condition for fault identification
Test condition:
Main relay monitoring
Main relay is deactivated by DME
(8 sec. after Terminal 15 off)
Terminal condition: First Terminal 15 ON then OFF (then
leave OFF)
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
