Im struggeling to locate my FBH, apparently its supposed to be in the engine room some where In the climate menu i find where I can set the timer, but the manual options are "greyed" out.
I bought the vehicle second hand and I have a copy of the vehicle specs (based upon the VIN#) where the "auxiliary heater" is included. I also have a FOB for the park heater, but when i switch it on, its only blowing cool air- even below freezing temperatures.

Are there by any chance a software drop out that has resulted in that the manual options are not available

Any idea what and where to look for finding the FBH (if it is there) ? Range Rover TdV8 Autobiography MY2010
Defender 110stw Td5 MY2006

The fbh is fitted on under the wing on the right hand side as you look at the car from the front. Kind of behind the side vent area.

It is not visible unless you remove the wheel arch liner though you may he able to see the exhaust from under the car. Small pipe about 25-30mm in diameter.

It is probably not working, most arent at this time of year especially if they havent been used for a while! There is nothing that can't be fixed with a hammer😜😜
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2021 Discovery 5 D300 MHEV commercial

northernmonkeyjones wrote:

under the wing on the right hand side as you look at the car from the front

You mean it's on the left hand side of the car?

Confused

In the uk its on the passenger side! There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial

From the front are you left or right handed?

Sitting looking out from the drivers seat........with the wheel infront of me..........

Its on the left.........  There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial

Thank you for your replies I also went into the TOPIx (made a 1 week subscription) and found all my data with reference to my VIN # and it confirmed that I have a park heater
And northernmonkeyjones is probably right that it just doesn't work - It will be serviced later this week at my dealer so I expect them to rectify it
And as northernmonkeyjones says, its on the LH side (both for RHD and LHD) and you got to remove the wheel arch liner to find it.

Thanks again

Simon Range Rover TdV8 Autobiography MY2010
Defender 110stw Td5 MY2006

ksskaret wrote:

its on the LH side (both for RHD and LHD)

Mine had the same issue but I cleared the fault codes and it fires up nice and toasty again now

Andy. 22MY Defender 110 D250 HSE X Dynamic, Gondwana Stone.
SWMBO: 2022 RRS D300 Autobiography, Firenze Red.
Gone:2015 L405 SDV8 Autobiography, Indus Silver with Black Pack.
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ksskaret wrote:

And as northernmonkeyjones says, its on the LH side (both for RHD and LHD) and you got to remove the wheel arch liner to find it.

Really? Did they change that? Earlier L322s had the FBH on the passenger side - i.e. RH for a LHD vehicle. So for the 2010 > it was left on the LH side for both versions?
Learn something new every day... 
RRC 2Dr, RRC 4Dr,
P38, and 2 L322s
(wife thinks I'm nuts - prob right, too)

Steve, will according to TOPIx LR workshop manual it is the same side for the 2010MY. But by all means I could check again  Range Rover TdV8 Autobiography MY2010
Defender 110stw Td5 MY2006

I have my car in because I encountered exactly the same problem, FBH is working (the fans are blowing) but no hot air is coming out. Dealer says it needs a new FBH so a new system has been ordered.

They seem to treat is a whole part, and dont break it down into components, so if its not working a MD will order and fit a new one.

For older out of warranty cars they can be serviced or repaired, new ecu's, injectors and water pumps are available separately. There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial

I don't know how it is in the rest of Europe, but in Germany most Bosch service centers are also specialized in FBH. They are very serviceable - and quite simple. In Germany, there are numerous additional FBH specialists in every larger town as well. But then, Germany is the home of the FBH so it might be different in other countries...

Treating "it" as a unit is a typical big manufacturer thing. LR used to sell only replacement valve blocks for the P38 EAS for ~800. They were easily repairable with O-rings from any hydraulic supply shop... 
RRC 2Dr, RRC 4Dr,
P38, and 2 L322s
(wife thinks I'm nuts - prob right, too)

I agree, having seen how they are put together there really isn't much too them! There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
KIA E-Niro 4+
2021 Discovery 5 D300 MHEV commercial