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PC2 · 12th July 2019, 10:24

After you switch the ignition off, there is a standard whirring noise for about 5-10 seconds. This is completely normal.
If there is a problem with VIS, they will keep whirring until the ECU power cuts it off minutes later.

12th July 2019, 10:24	#4
PC2 Regular poster MG ZT-T 190 Join Date: Mar 2016 Location: Brighton Posts: 69 Thanks: 4 Thanked 5 Times in 4 Posts	After you switch the ignition off, there is a standard whirring noise for about 5-10 seconds. This is completely normal. If there is a problem with VIS, they will keep whirring until the ECU power cuts it off minutes later.