Hi, the RR 2005 which displays the error messages it has a "Cooook" under neath while changing gear. it happens in different times and sometimes it has a delay in picking up the motion... if i want to ride on a small hill, alert sound comes up and it doesnt move front but by reverse it can climb smoothly. the same car has Battery light on, Air Suspension Inactive, HDC Inactive, ABS Light On...
SOURCE: Air suspension inactive, HDC inactive, ABS light on, Range Rover
Air Suspension Inactive usually means there is a problem with the Air Suspension. However, it will also come up when alternator or battery voltage is low, or when you reset (disconnect and then connect) the battery. To reset it manually: while in P(ark), turn steering wheel all the way left, hold few seconds, and then all the way right, hold few seconds. All the warning lights will go out. Most common failure is the passenger front air strut, since batteries are prone to leaking acid, it leaks right on top of the rubber airbag and burns through it. Dealer willcharge you one hour to diagnose, or you can easily diagnose this by looking at the ride height of each particular corner of the truck. If its sits low, or emits hissing sound when you park the truck, its leaking. If you keep driving with leaky air strut, you risk burning up the air compressor, as its working extra hard to compensate for the leak. Replacing the strut is easy 45min job even for a novice mechanic, and you can do it yourself. Strut can be found new for approx $750 online. If you are fed up with air suspension issues, there is a $700 kit that converts the truck to springs, and disables all of the air suspension. Look up Arnott Industires
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