2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 87
VVT sensor.
2. Replace VVT sensor.
If only fault code (#10802) is entered:
1. Check signal wire (VVT sensor PIN 7, PIN 9) between
VVT sensor and DME for breakage or short circuits and
corroded plugs. 2. Determine whether a cycle signal is
visible every 1 ms at sensor Pin 7. (Ignition on!). If yes,
proceed to Item 3. If no, this signal wire is defective.
3. Determine whether a digital message is being transmitted
through DME PIN 7-09 every 1 ms. If yes, proceed to Item
4. If no, this signal wire is defective.
4. Replace VVT sensor.
Fault effect and breakdown warning
Driver information
Warning light:
ECE: No warning message. Engine reverts to VVT
emergency backup mode (throttled operation) US: OPEN
Service instruction
none
2A33
2A33 - P102B
Information saved in
DME
Fault code
2A33 - P102B
Fault text
Valvetronic, eccentric shaft sensor: guide
Fault description
VVT-Guiding Sensor Diagnostic Error (Bank 1)
Condition for fault identification
Test condition:
Internal VVT lead sensor monitor
No faults related to the sensor voltage supply should be
present (fault code #10800) and there should be no faults or
SPI parity faults related to the VVT sensor (fault code
#10801) or (fault code #10802)
Terminal condition: Terminal 15 ON
Voltage condition:
Electrical system voltage terminal 87 >10.0 V
Condition for fault memory entry
20 ms
Action in service
Sensor replacement
Fault effect and breakdown warning
Driver information
Warning light:
ECE: No warning message. Engine reverts to VVT
emergency backup mode (throttled operation) US: OPEN
