Any one know on 2005 lr3 where grounds are located, in addition to air suspension fault and parking brake fault coming on sparaticly together sometimes or one at a time, or not at all., lights do not come on in auto mode and discovered that when applying the brakes one brake bulb will go out. On rear taillights and back on when brake released. 2 posts · Joined 2022. #1 · Jan 4, 2022 (Edited) Hi, I just purchased a 2007 Range Rover HSE Sport last year and never had any problems, until the suspension fault light came on and said "normal ride height only" I got it che. cked and mechanic said it was showing a weak air compressor. I was working and saving money to replace the compressor 3 days ago · These issues include problems with the transmission, electrical system, engine, and suspension. It is important for owners of these models to stay up-to-date with regular maintenance and seek professional assistance when necessary to prevent and address any issues with their Land Rover Discovery Sport. 2.3. Issues with Land Rover Discovery 1,728. Location. KCMO. Got a new suspension fault today. Sometimes it goes away after a restart, other times it doesn't. IID Tool says it's C1A18-64. "Pressure increases too rapid when filling reservoir - Algorithm based failure - signal plausibility failure." A search on this and the LR3 subforum turned up no hits. Jun 11, 2012. Posts. 106. Reaction score. 1. Amber alert Normal Height Only. Fault code pulled with Faultmate is C1A20 - pressure increases too slow when filling reservoir (Intermittent algorithm based failure) It seems most of these are a dying compressor - this in my 07 LR3 which to my knowledge has the original unit. I tried running the system with the air hose from downstream of the suspension relief valve block disconnected (valve block adjacent to compressor) this gave a different fault that the pressure wasn't rising quickly enough. Using the IID tool I have tried raising suspension via the valve control module, but no success. 2017 Disco 5, 40k miles, and yesterday it popped up with Suspension fault. Before taking it to the dealer, is there anything I can do to troubleshoot the 1. Location. Annapolis MD USA. My 2018 D5 has developed an air suspension issue and will only achieve normal height so took it to Land Rover for a diagnosis and they said that they could hear air leaking from the compressor and it should be replaced for a mere $2700 including labor. I purchased the full work shop service manual and found out 33 posts · Joined 2017. #1 · Jun 9, 2017 (Edited) I am new to Land Rovers, and have been making friends with the Gremlins on my 2005 LR3. I live in a remote area, the nearest Rover dealer is 150 miles away, so I thought I would share my recent inexpensive suspension fixes. First came an intermittent yellow to red suspension fault, "max speed 1.4 3.5 3.4 1.8 I can control with the IID for the time before the vehicle throws the Suspension Fault idiot light. During that time I can watch the cross link valves and the individual valves. I can raise and lower the back end, I can see both individual back end valves go to 100%, but the cross rear link valve stays at 0. Lk0C7u.