Member Since: 20 Feb 2013
Location: Bedfordshire
Posts: 630
Reversing Sensors - any ideas?
Hi All,
For a while I've had reversing sensors that were intermittently faulty - usually after heavy rain. Symptom was no loud beep when selecting reverse and then no warning when reversing.
Now I 've moved on to reversing sensors that are intermittently working (ie they're more often not working at all).
Any ideas where to start? Am guessing it's a broken wire somewhere, but not sure where to start looking or how much needs to be disassembled to investigate.
Mine's been doing this recently. Today it was fine, later it probably won't be and tomorrow who knows.
Get yourself an IID and it'll tell you which ones need replacing like this:
Quote:
PAM-Parking Aid
B1B48-01 (28) Rear left outer sensor - General failure information - general electrical failure
( on 30-04-2011 21:13:47 at 0 mi )
Mine is NSR Left because I went swimming on Salisbury recently. Apparently it's the easiest sensor to change without removing the bumper. But I'll darned if I can get my hand up three to undo the clips and remove it, so it bumper-off for me.!!!
Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.
Member Since: 20 Feb 2013
Location: Bedfordshire
Posts: 630
I don't have an IID, saw a post suggesting that I listen to each one in turn, and the one that doesn't tick is the faulty one. Only problem with that is that none of mine tick!
Guess I'm going to have to get underneath and see if I can eyeball the wiring.
11th Dec 2017 12:12 pm
LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23830
You could have the same issue that I had on my D3. A tiny nick in one of the sensor wires, when water got in it gave the faults you describe, when it dried out (it was summer) it worked, until it got wet/damp again.
It was fixed under warranty, but the dealer couldn't find the tiny nick in the wire at first.2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography (now semi-retired)
11th Dec 2017 2:32 pm
Theboynorm
Member Since: 24 Jun 2017
Location: Maidstone
Posts: 11
sorry posted in wrong area, can’t delete
7th Feb 2018 6:56 pm
Sheepy
Member Since: 20 Feb 2013
Location: Bedfordshire
Posts: 630
My Indy fixed them for me today (as it was in for diagnosis of an engine issue). He found two broken wires (well, technically one wire broken in two places), near the connector where the wiring loom goes into the car.
All fixed now, and no parts needed! Phew!!
(And he fitted my replacement brake switch for free, took pity on me I guess).
He didn't take pity, you drive a Land Rover so he knows you'll be back! Front Runner Rack, OEM Ladder & RAI, Tuff-Trek Foxwing, B'rakhah Ingonyama Expedition Trailer, RLD's Spare Wheel Protector, Bodsy's Bars, Empty Pockets! Member of Gloucestershire & Worcestershire 4x4 Response.
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knows.
