Member Since: 05 Nov 2020
Location: Leeds
Posts: 6
D3 high-pitched warning sound when starting to reverse.
I often hear a high- pitched warning sound(?) when starting to reverse, usually after being parked overnight. It only lasts for a few seconds and the Disco reverses normally throughout! Any ideas/ suggestions, please?
10th Dec 2024 11:57 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10732
probably an error tone, that the rear parking sensors are not functioning.
Is a red light on the P> switch, on the center console also flashing when in reverse?
10th Dec 2024 12:00 pm
Tom1564
Member Since: 05 Nov 2020
Location: Leeds
Posts: 6
Thanks for the reply - but the reversing beeps are working normally and there is no indication of a fault on the dash...
10th Dec 2024 1:21 pm
Tom1564
Member Since: 05 Nov 2020
Location: Leeds
Posts: 6
Apologies, Pete; I've checked again and the 'P' reversing light is flashing! Is it likely to be one of the rear sensors or the console do you think?
10th Dec 2024 6:28 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10732
Something at the rear
Read the fault codes if you can.
10th Dec 2024 7:56 pm
raincloud
Member Since: 16 Aug 2011
Location: nottinghamshire
Posts: 140
Re: D3 high-pitched warning sound when starting to reverse.
Tom1564 wrote:
I often hear a high- pitched warning sound(?) when starting to reverse, usually after being parked overnight. It only lasts for a few seconds and the Disco reverses normally throughout! Any ideas/ suggestions, please?
Probably a faulty rear parking sensor or a fault in the wiring loom to the rear sensors
Put the car in reverse whilst in neutral and put your ear up to each sensor - they should emit a ticking sound if they are working - if any one doesn’t then that sensor is faulty unless all are silent in which case it may be the loom - it tends to get damaged by the balance weights
10th Dec 2024 8:47 pm
raincloud
Member Since: 16 Aug 2011
Location: nottinghamshire
Posts: 140
For neutral read ignition only on! mine was a manual so thinking about how I solved my issue
10th Dec 2024 8:49 pm
Tom1564
Member Since: 05 Nov 2020
Location: Leeds
Posts: 6
Thanks, Raincloud. I'll check it out tomorrow.
10th Dec 2024 11:15 pm
Tom1564
Member Since: 05 Nov 2020
Location: Leeds
Posts: 6
Yep, found a dodgy sensor. Gave it a whack and a squirt of WD40 and it's now working again (at least for now!)
Many thanks for all the advice.
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