P0366 concerns camshaft-position sensor B on bank one. Ross-Tech’s VAG reference includes wiring and sensor faults alongside timing, adjuster and oil-pressure concerns. An implausible signal does not automatically mean the sensor’s electronics have failed.
Identify the correct bank and sensor
Use the engine-specific information rather than choosing a component by where it appears to sit. Provide the engine code and all related camshaft or crankshaft faults. A bank or sensor-label mix-up can lead to replacing a part that the code never identified.
Keep the history of timing work, oil-pressure warnings and starting noise. If the workshop has captured cam and crank signals, retain the labelled recordings and operating conditions.
Separate a wrong signal from wrong timing
A signal can be electrically present while its relationship to the engine’s other signals is incorrect. The diagnosis should explain what was checked about the circuit and what was established mechanically. A software or ECU repair proposal should fit those findings.
AXION can review the electronics side with the existing test report. If there are oil-pressure or serious mechanical warnings, arrange the appropriate engine assessment before further running. Clearing a plausibility code is not evidence that valve timing or lubrication is correct.
Arrange an assessment
For ECU testing and repair, 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
P0491 and P0492 secondary-air flow faults on one or both banks. Browse the automotive electronics repair library for other systems and symptoms.