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FBH not working occasionally
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cos192000
 


Member Since: 19 Feb 2015
Location: Ploiesti
Posts: 57

Romania 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4
FBH not working occasionally

Hi,

Every now and then I only get cold air being ventilated in the morning although temperature outside is well below 15C and fuel and battery levels are OK. Upon starting the engine I get a message being displayed on the central screen that the heater was not accessible. The next day it works fine.

Also quite often I get the following error code:

ACM-Audio System

• U0166-00 (2A) Lost communication with auxiliary heater control module

Any idea what might be causing this?

Thanks
  
Post #18655496th Oct 2017 2:35 pm
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Narpy
Site Supporter 


Member Since: 18 Jul 2011
Location: Stockport
Posts: 6107

2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Your FBH doesn't work until the temp drops below 5 degrees. Embarassed
I presume the D4 is the same as a D3.
 Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread 
 
Post #18655696th Oct 2017 3:42 pm
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cos192000
 


Member Since: 19 Feb 2015
Location: Ploiesti
Posts: 57

Romania 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

I'm pretty sure it's 15°C for the D4. This is from the owner's manual: If the external temperature is between +15°C (59°F) and -20°C (-4°F), then the passenger compartment is heated using the engine's auxiliary heater. If the temperature is greater than 15°C (59°F), then the cabin is ventilated by drawing in air from outside the vehicle to purge warm air and improve cabin comfort.

It also doesn't explain the error messages.

Thanks
  
Post #18657317th Oct 2017 9:16 am
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