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View Full Version : Range Rover P38 All dash warning lights stay on no guages work



BeianM
20th October, 2015, 12:12 AM
Range Rover P38 2.5dt
All dash warning lights stay on if fuse is left in even with the key out. None of the guages work, tach, speedo, temp or fuel. The low fuel warning light operates as it should, it was on until we put some fuel in. Engine starts & everything works including the radio & hvac.
Any ideas other than checking earths. Other forums say replacing the becm is the only repair. I can see that dash info comes from the becm as serial data. Any way to fix the becm if it is this?
Cheers, Brian.

BeianM
28th October, 2015, 01:52 PM
I see that there is an instruction when using testbook to check dash lights. My guess is that it is stuck in this mode. Considering baking the becm to dry out any moisture in the chip.