2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 184
Test condition:
Operation without battery with engine running
Voltage fluctuations caused by poor battery contacts
Terminal condition: Terminal 15, engine on
Voltage condition:
Substantial voltage fluctuations (10.5 V -14 V)
Condition for fault memory entry
Vehicle electrical system voltage < K_USPGAPP (10.5V)
for 10 sec. (debounced in SW)
Action in service
Check battery terminals
Fault effect and breakdown warning
Driver information
Warning light:
CC message 'Check battery connections'
Service instruction
none
2DEC - P160A (DME)
2DEC - P160A
Information saved in
DME
Fault code
2DEC - P160A
Fault text
Power management, battery
Fault description
Powermanagement Exhaustive Discharge
Condition for fault identification
Test condition:
Deep discharge:
Battery sensor data recognized under all conditions.
Terminal condition: none
Voltage condition:
Onboard electrical system voltage < 9.52 V
Condition for fault memory entry
Deep discharge:
60 seconds below 9.52 V (debounced in SW)
Action in service
Conduct energy diagnosis:
- Check control modules for standby current faults.
- Check battery's suitability for use, recharge or replace as
indicated.
Fault effect and breakdown warning
