2E8D - P151B

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

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2E8D - P151B (DME)

2E8D - P151B

Information saved in

DME

Fault code

2E8D - P151B

Fault text

Intelligent battery sensor, function

Fault description

Battery Sensor Wakeup Circuit

Condition for fault identification

Test condition:

Terminal 15-Wakeup wire signal level implausible Terminal condition: With each change in terminal-15 status, i.e., off or on

Voltage condition: none

Condition for fault memory entry

10 sec.

Action in service

Check Terminal 15/wakeup wire for opens and intermittent contacts

With battery sensor removed and Terminal 15 off, check Terminal 15/wakeup wire for short to battery voltage -> Repair wire and/or check Terminal 15, control module wakeup

With battery sensor removed and Terminal 15 on, check Terminal 15/wakeup wire for short to ground

With battery sensor connected and Terminal 15 off, check Terminal 15/wakeup wire for shorts to battery voltage -> Replace battery sensor

With battery sensor connected and Terminal 15 on, check Terminal 15/wakeup wire for shorts to ground -> Replace battery sensor

Fault effect and breakdown warning

Driver information

Warning light:

No warning lamp or CC status report