2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 66
DME
Fault code
2A3A - P1041
Fault text
Valvetronic, internal fault
Fault description
Internal VVT-Control Module EEPROM Error (Bank 1)
Condition for fault identification
Test condition:
E2PROM fault
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
Fault set immediate without debounce
Action in service
Ignition off, wait for control module to return to dormant
"sleep" state, run travel limit initialization routine again or
trigger travel limit initialization routine manually
Fault effect and breakdown warning
Driver information
Warning light:
Limp-home operation 1
Service instruction
none
2A3C
2A3C - P1057
Information saved in
DME
Fault code
2A3C - P1057
Fault text
Valvetronic relay, activation
Fault description
VVT-Supply Voltage Control Motor Electrical (Bank 1)
Condition for fault identification
Test condition:
The voltage at the capacitors is monitored. If this is below
an offset of the battery voltage an fault symptom is
registered
Terminal condition: Main relay ON
Voltage condition:
none
Condition for fault memory entry
0.05
Action in service
1. Ignition off, let control module return to dormant state as
indicated, restart
2. If Item 1 is not OK, it will be necessary to check the
electronics in the control module
