Vauxhall Astra J - error code: P0520, P0521, P0522, P0523 | HELLA
Vauxhall
Astra J
Year of construction: 2009-2015
Engine: LBS/A20DTH / LBX/A20DTJ / LBY/A20DTR
Engine oil warning lamp lights up
Error code: P0520, P0521, P0522, P0523
Engine oil pressure sensor/switch
Circuit faulty...
If the above-mentioned error is identified, one possible cause may be a faulty signal evaluation in the engine control unit.
In order to exclude any other sources of interference, first of all a check should be carried out on the periphery (power supply, engine oil level, sensor, etc.)
If then no errors are found and all the measured values correspond to the specifications, a software update of the engine control unit is required.
The update can be carried out, for example, via macsRemote Services or with a pass-thru-capable diagnostic device of the Mega Macs series and
registered access to the vehicle manufacturer's online portal.
If no appropriate equipment is available, please contact an authorised workshop.
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