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Fault code B1D21-13 Remote Control Switch
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 22721

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4
Fault code B1D21-13 Remote Control Switch

Anyone tell me what this fault means on my D4?





Clear it, it comes back. I have 3 other faults that I know about, front camera related and accessory socket relay open circuit because I have made them permanently live.
  
Post #18654826th Oct 2017 10:18 am
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dgardel
 


Member Since: 03 Nov 2009
Location: Veneto (Heart) & Piemonte (Head)
Posts: 1071

Italy 2011 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

General Information - Diagnostic Trouble Code (DTC) IndexDTC: Audio Front Control Module - High Line (ACM)

Click image to enlarge


seems to be related to steering wheel controls .....
 Discovery 4 HSE Luxury Santorini Black Outback Engineering Edition

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Post #18654936th Oct 2017 11:00 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 22721

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Ok they do stop working every now and then, but not done it for quite a while. Maybe the clock spring is getting tired.
  
Post #18654996th Oct 2017 11:17 am
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Gilly1
 


Member Since: 09 Sep 2015
Location: Somerset burnham on sea
Posts: 144

England 2015 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

I have the same fault code and have a intermittent fault with volume,mode.and forward/back switch on steering wheel. Car is in Land Rover as we speak for something els but iv pointed out the fault and even done printout of fault for them. Hopefully they will rectify it, it was in Land Rover previously and I mentioned the intermittent fault but they said they couldn't replicate the fault. (Hence the reason for providing printout of code stored this time) I will keep you posted Thumbs Up

I also have U0140-08 2C. Lost comms with body control module, I'm hoping that has something to do with other fault.
 2015MY discovery 4 se tech with factory black pack.  
Post #18655396th Oct 2017 1:46 pm
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Gilly1
 


Member Since: 09 Sep 2015
Location: Somerset burnham on sea
Posts: 144

England 2015 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

UPDATE... but off no help sorry. Got car back yesterday but before it was delivered back I received a call, sorry sir the fault on the switch wasn't apparent and the car will have fault codes somtimes that don't mean anything it may just be (e.g.) voltage drop etc, guess I'll just wait until I get a bong with message or switch stop working completely. (To be fair looking at the big picture a intermittent switch isn't the worst problem to have) Confused
 2015MY discovery 4 se tech with factory black pack.  
Post #186680410th Oct 2017 7:02 am
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