00928 concerns the front driver-side central-locking unit F220 in the VAG reference. Its full description matters. Ross-Tech separates an implausible signal from an incorrectly equipped lock, and includes supply, wiring and stiff mechanics among possible causes.
Match the latch to the vehicle specification
If the fault appeared after replacement, record both latch part numbers and the car’s original market. Ross-Tech notes a difference in SAFE-switch equipment between North American and other applications. A latch that bolts into place can still provide the wrong feedback for the vehicle.
Describe whether the door locks, unlocks, reports open incorrectly or triggers a warning only when the remote is used. Keep manual-key and interior-switch behaviour separate. That symptom detail helps identify which part of the locking sequence is failing.
Check more than the BCM
The latch mechanism, local supply and door wiring need consideration before central electronics are condemned. Tell the workshop about harness repairs and any dependence on door position.
AXION can review supported door-electronics and BCM enquiries. Send the full scan and replacement history rather than requesting a BCM on the code alone. If the door cannot latch securely or release reliably, arrange prompt assessment and follow the vehicle’s safety guidance.
Arrange an assessment
For BCM and BSI assessment, send the vehicle details and fault report to AXION. We support enquiries from drivers and garages. Workshop, postal and remote options depend on the job and are confirmed before booking.
Technical reference
Read the supporting technical documentation. The referenced design or vehicle application defines its scope; it is not a universal repair procedure.
Related reading
01520 rain and light sensor faults after windscreen work. Browse the automotive electronics repair library for other systems and symptoms.