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  #1  
Old 21st-December-2010, 10:42
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Join Date: Feb 2010
Location: horsham west sussex uk
Posts: 7
Default P38 abs light stay on

Help guys,when I start up my 1997 P38 range Rover the abs light comes on as it should,goes out after a minute or two,then as I start to drive it comes on and stays on.
I have no other problems with the braking etc.
All suggestions gratefully received.

Dave
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LZ
  #2  
Old 21st-December-2010, 10:47
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Join Date: Sep 2009
Location: Newport, S Wales
Posts: 123
Default Re: P38 abs light stay on

hi i had same on my 2000 p38a, turned out to be ABS switch fitted to pump, not cheap!! 200 quid + at stealers. it could be accumulator on top of abs pump, the pump itself if brakes aren't too good or sensor or abs ecu!! as you can see it could be a number of things, i bought second hand good pump with accumulator, switch all fitted. i think the way ahead is to get fault code read first.
good luck
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  #3  
Old 21st-December-2010, 11:57
Datatek's Avatar
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Location: Near Poitiers SW France
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Default Re: P38 abs light stay on

Get the faults read, the last one I saw with that problem was the ECU.
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Old 21st-December-2010, 12:04
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Join Date: Oct 2008
Location: Preston Lancs.
Posts: 29,052
Default Re: P38 abs light stay on

Quote:
Originally Posted by dangerous-dave-land-rovers View Post
Help guys,when I start up my 1997 P38 range Rover the abs light comes on as it should,goes out after a minute or two,then as I start to drive it comes on and stays on.
I have no other problems with the braking etc.
All suggestions gratefully received.

Dave
The ABS light should come when ignition is turned on. Go out after a second or so then come back on. Blink off and on if you will, this indicates the system check is being done. Then not go out again until the vehicle reaches around 7 mph and the signals from the sensors have been checked by the ECU. As Data says time for a fault reading session.
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Old 21st-December-2010, 12:21
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Join Date: Feb 2009
Location: Dhaka, BD
Posts: 1,768
Default Re: P38 abs light stay on

Just from memory (its been a while), at least on Testbook the ABS section fault readouts are not terribly illuminating except if there is actually a sensor fault. May I suggest checking the brakes and lines manually, check calipers and around the abs modulator pump and accumulator etc etc for leaks. Secondly, the ABS sensors can sometimes get jolted, pushing them back in with the back of a screwdriver often does the job. Check the harness multiplugs to the sensors too for a tight fit and give 'em a quick clean with a bit of contact cleaner spray. Personally I think Lizalandy's advice will probably turn out right but there's no harm eliminating the simple stuff first.
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Old 14th-August-2014, 12:11
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Join Date: Jun 2012
Location: Cardiff
Posts: 10
Default Re: P38 abs light stay on

Holiday blues, yet again, ABS LIGHT STAYS ON.Tried running checks with the Hawkeye, but no ABS faults?! ABS light still stays on. Changed relays, waste of time! Came on in France (Vosges) on Holiday, drove back on brakes without ABS assist, heavy! Now changed Accumulator, light still on, next changing ECU,..........could it just be a fuse?
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Old 14th-August-2014, 13:52
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Location: Preston Lancs.
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Default Re: P38 abs light stay on

Quote:
Originally Posted by RovyCouple View Post
Holiday blues, yet again, ABS LIGHT STAYS ON.Tried running checks with the Hawkeye, but no ABS faults?! ABS light still stays on. Changed relays, waste of time! Came on in France (Vosges) on Holiday, drove back on brakes without ABS assist, heavy! Now changed Accumulator, light still on, next changing ECU,..........could it just be a fuse?
Lamp is not on for no reason. Suggest you try with proper diag.
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Old 14th-August-2014, 17:14
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Location: Near Poitiers SW France
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Default Re: P38 abs light stay on

Quote:
Originally Posted by RovyCouple View Post
Holiday blues, yet again, ABS LIGHT STAYS ON.Tried running checks with the Hawkeye, but no ABS faults?! ABS light still stays on. Changed relays, waste of time! Came on in France (Vosges) on Holiday, drove back on brakes without ABS assist, heavy! Now changed Accumulator, light still on, next changing ECU,..........could it just be a fuse?
ABS is anti lock not brake assist. If the brakes are heavy then the pump is not running. Most likely the pressure switch. Someone found a compatable one at a fraction of the LR price. Otherwise try Emmotts for a secondhand pump.
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LZ
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