2ACB - P0687

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): 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

Driver information Warning light: none