L322 04 4.4 Rev counter dash indicators not working + others

NAJH · Oct 20, 2019

About to take may L322 up to Liverpool for a gearbox, not used it for a few weeks, Jumped in it and I've got a few what appear to be electrical problems. Started with Suspension inactive, which didn't worry me but then noticed the rev counter not working plus the temp gauge was on max. I've also got a red brake exclamation warning light plus amber ABS and the amber ABS light in the centre dash. Dash indicator lights aren't working (work externally) Front and Rear heated screen wont come on, HDC won't activate and I don't get a notification of High / Low gears though it is switching, neither does it notify of sport mode, apart from that.. All good. I've also noticed that the HDC light flashes every 3-5 mins and when this comes on the brake warning light goes out (few seconds.) I've given a lot of detail in the hope it can help point to the problem. Any help is much appreciated.

brianp38dse · Oct 20, 2019

First thing is to make sure the battery is ok and fully charged and the alternator is charging properly, battery should be at least 12.6v after standing and alt should put up out 14.7+ with lights and everything on.

Datatek · Oct 21, 2019

brianp38dse said:
First thing is to make sure the battery is ok and fully charged and the alternator is charging properly, battery should be at least 12.6v after standing and alt should put up out 14.7+ with lights and everything on.

+1^^^^^^^

NotAnotherLandRover · Jan 5, 2021

Hiya,
Did you manage to get to the bottom of this? We are having the exact same issues.

Thanks

brianp38dse · Jan 5, 2021

@NotAnotherLandRover
if your having the same problems then start at the battery as above as low volts will cause all sorts of faults and weird stuff
the first rule a range rover fault finding is make sure the battery is 100% ok and if you need a new battery the biggest that will possibly fit , on a l322 mf31 120ah 1000cca, dont go by what the says just fit the biggest.

NotAnotherLandRover · Jan 5, 2021

brianp38dse said:
@NotAnotherLandRover
if your having the same problems then start at the battery as above as low volts will cause all sorts of faults and weird stuff
the first rule a range rover fault finding is make sure the battery is 100% ok and if you need a new battery the biggest that will possibly fit , on a l322 mf31 120ah 1000cca, dont go by what the says just fit the biggest.

Thank you Brian, will give this a go H x

NotAnotherLandRover · Jan 5, 2021

HIya,

It's a brand new battery. It was put on literally 3 weeks ago. 100% the right one for the car.

Also cant set the time on the radio or the date. No sound from the radio either.

Actual gremlin I think! HELP!

biketeacherdave · Jan 5, 2021

Best start looking in the boot for water ingress sounds like water damage to boot electric draining the battery

Mark Piercy · Jan 6, 2021

biketeacherdave said:
Best start looking in the boot for water ingress sounds like water damage to boot electric draining the battery

In the boot and to the left is a good starting place, then the right side.

NotAnotherLandRover · Jan 6, 2021

Afternoon guys

What could be causing this in the boot? The nav unit has been removed, all is in there is the DSP amp, BM54 AKA radio and TV tuner. Even with this unplugged I have the same problem. On the right hand side is the power distribution module / fuse box. There's no water ingress that side at all though. Do you think this could be a problem with the instrument cluster / dash?

grizzyboat · Dec 30, 2023

NAJH said:
About to take may L322 up to Liverpool for a gearbox, not used it for a few weeks, Jumped in it and I've got a few what appear to be electrical problems. Started with Suspension inactive, which didn't worry me but then noticed the rev counter not working plus the temp gauge was on max. I've also got a red brake exclamation warning light plus amber ABS and the amber ABS light in the centre dash. Dash indicator lights aren't working (work externally) Front and Rear heated screen wont come on, HDC won't activate and I don't get a notification of High / Low gears though it is switching, neither does it notify of sport mode, apart from that.. All good. I've also noticed that the HDC light flashes every 3-5 mins and when this comes on the brake warning light goes out (few seconds.) I've given a lot of detail in the hope it can help point to the problem. Any help is much appreciated.

Hi Hope you resolved your problem, if you have could you tell me what was the cause please as i have the exact same problem.

grizzyboat · Dec 30, 2023

NotAnotherLandRover said:
Hiya,
Did you manage to get to the bottom of this? We are having the exact same issues.

Thanks

Hi Hope you resolved your problem, if you have could you tell me what was the cause please as i have the exact same problem as well.

grizzyboat · Jan 19, 2024

grizzyboat said:
Hi Hope you resolved your problem, if you have could you tell me what was the cause please as i have the exact same problem as well.

Hi no cant seem to fix it, in trying started pulling fuses in glove box to do with instrument cluster, now comes up on the display need code which there is no known code so no crank either now.

L322 04 4.4 Rev counter dash indicators not working + others

NAJH

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brianp38dse

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Datatek

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NotAnotherLandRover

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brianp38dse

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NotAnotherLandRover

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NotAnotherLandRover

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biketeacherdave

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Mark Piercy

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NotAnotherLandRover

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grizzyboat

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grizzyboat

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