Disco 3 (LR3) Hdc fault

Thommo805 · Mar 3, 2023

Hi driving home after approx 20 mins on motorway , get hdc warning , special programmes off , suspension lowers , I pull over turn off , turn on and it’s gone drive home another 20 mins no issues ? Do these cars just throw wobblys sometimes or is there an issue somewhere , read codes when I stopped loads of new faults communications etc , park break fault , speed sensor , reset and all cleared and stayed off ?

Nodge68 · Mar 3, 2023

Those symptoms can be battery issues, a blown brake light bulb, a faulty brake light switch, or even a faulty alternator.
Basically anything that upsets the data bus.
And yes, sometimes there's no reason for weirdness, it's a D3 thing.

biketeacherdave · Mar 3, 2023

The odd pot hole can cause it by upsetting the height sensors.......

lynall · Mar 4, 2023

Thommo805 said:
Hi driving home after approx 20 mins on motorway , get hdc warning , special programmes off , suspension lowers , I pull over turn off , turn on and it’s gone drive home another 20 mins no issues ? Do these cars just throw wobblys sometimes or is there an issue somewhere , read codes when I stopped loads of new faults communications etc , park break fault , speed sensor , reset and all cleared and stayed off ?

Clear codes then roadtest recheck for codes, then burn it

Could be as simple as po split drink on the hdc switch.

Thommo805 · Mar 4, 2023

Car testing me lately burning not a bad option lol , but cheers all running ok for now no new codes , onto the next issue ….

Thommo805 · Mar 4, 2023

Thanks for help

Disco 3 (LR3) Hdc fault

Thommo805

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Nodge68

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biketeacherdave

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lynall

Well-Known Member

Thommo805

Active Member

Thommo805

Active Member

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