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engine and special program faults
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cassie4tilly
 


Member Since: 01 Jun 2013
Location: sunderland
Posts: 7

engine and special program faults

just wondering if theres any help out there with these error codes ive got re-occurring , the reason being car broke down while driving to scotland with the usual multiple pings and warning lamps , the last time it happened was over a year ago , again quite dangerous esf,special progams off , suspension lowers and then the dangerous one when the engine cuts out so have to freewheel to the side of the road , would not start back up till i did the hard reset on it , obviously done all the usual fixes with the brake bulbs and the brake pedal switch and its been fine since then which is only a few days ago , so the last few days ive been reading the error codes and then resetting them , there are 3 codes which come back every day - B1B78-84 hvac system pressure , B1D14-15 bcm interior lamps 2 circuit and UO184-87 ipc lost communication with audio unit , just wondering if any of these could be a problem or maybe theres a short circuit or water ingress somewhere , thanks in advance if you have any info
  
Post #149235224th Jun 2015 7:14 pm
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Lost for Words
 


Member Since: 03 Sep 2013
Location: Warminster, Wiltshire
Posts: 6703

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Neither of those codes are relevant. Thumbs Up

The fuel filter and LP pump would be on the list of suspects. The need for a hard reset is interesting though; these ESFs normally clear on cycling the ignition.
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Post #149258925th Jun 2015 9:06 am
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cassie4tilly
 


Member Since: 01 Jun 2013
Location: sunderland
Posts: 7


thanks for the reply lost for words , at the time it was the last thing that worked , i carry new brake bulbs and brake switch with me always aswell as my laptop to see what exactly these faults trigger in error codes , when it happened and i was at the side of the road the car would turn over but not start at first then sometimes it would start and tick over for about 10 seconds then cut out again , tried one brake bulb first and no change then another and no change then changed the brake switch and still the same , next connected the laptop to car and had a look at the error codes , nothing seemed to stand out just a few "lost communication " errors , after that tried the hard reset and that worked , the last time this happened it was like that for about an hour , ( aa turned up and it was back to normal ) didnt know about the hard reset then , forgot to say when laptop was connected i did erase all error codes but it was still the same , happened a few times over the years and every time ive been on A roads or motorways doing 50-70 , the dangerous bit is getting from outside lane to the hard shoulder or luckily a turn off , the strange thing it is always fine after , maybe doing another 300-400 mile
  
Post #149261925th Jun 2015 10:07 am
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