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P38A Srs light

Discussion in 'Range Rover' started by pete12345, Jul 20, 2019.

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  1. pete12345

    pete12345 Well-Known Member

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    previously my srs air bag fault light was intermittent cleaned all the yellow connectors with contact cleaner and the seat belt pre tensioners that was few weeks ago now the srs fault light is on permanent any suggestions be mighty helpfull maybe a new ecu 1999 Thor
     
  2. Datatek

    Datatek Well-Known Member

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    Usually it's the connectors under the seat. The ECU is reliable. what did you actually use to clean the connectors?
    You really need diagnostics.
     
  3. Rubberknees

    Rubberknees Well-Known Member

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    There is a connector below steering wheel just under the dash , found this to be the problem on mine. Take the panel off under the steering wheel and you will see the yellow wires bit fiddly but doable with care
     
  4. pete12345

    pete12345 Well-Known Member

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    I got diagnostics data will plug in again can't rember what it said but also I haven't cleaned the plug under the steering wheel oh the stuff I used is aero klene 50
     
  5. pete12345

    pete12345 Well-Known Member

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    The nanocom says code 004 air bag light fault open circuit permanent
     
  6. pete12345

    pete12345 Well-Known Member

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    And I've replaced both the bulbs
     
  7. Datatek

    Datatek Well-Known Member

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    The bulbs have to be the correct wattage and that type of bulb is available in several different wattages.
     
  8. pete12345

    pete12345 Well-Known Member

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    Yer I've checked that data they are the correct wattage
     
  9. pete12345

    pete12345 Well-Known Member

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    Could it be something to do with the wiring to the bulbs then
     
  10. Datatek

    Datatek Well-Known Member

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    So in that case, if the diagnostics are to be believed, one line to the bulbs is open circuit or high resistance, do both bulbs light with equal intensity?
    If both bulbs light, it may be the ECU at fault although that would be unusual.
     
  11. kermit_rr

    kermit_rr Well-Known Member

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    worth swapping a few bulbs round on the dash?
     
  12. Datatek

    Datatek Well-Known Member

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    Coffee break is over, I'll have a look at the wiring in RAVE later, what year is your car and does it have side airbags?
     
  13. wammers

    wammers STILL BREATHING. Donater

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    W reg should have it could also be the connections to the seat belt tensioners, will need to remove door sill covers to get at those.
     
  14. pete12345

    pete12345 Well-Known Member

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    I've had the pre tensioners apart and cleaned them already will check the bulbs and do the only connection I've not done under the steering wheel
     
  15. pete12345

    pete12345 Well-Known Member

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    Yer it's a w 1999 don't you remember the eas sarga data
     
  16. pete12345

    pete12345 Well-Known Member

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    Had a chec both bulbs light the same but cannot find the yellow connection under the steering wheel but have found something unplugged but can't c where it's supposed to go so not sure what it's for will post a pic in a bit
     
  17. pete12345

    pete12345 Well-Known Member

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    Here's that plug for no use purple wires
     

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  18. pete12345

    pete12345 Well-Known Member

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    Srs problems solved moved the bulbs about Mabey one was not right or wiring loose and disconnected the the plug under the steering cleaned with contact cleaner re connect and all good to go on to the next job replace all the bushes
     
    Grrrrrr likes this.
  19. pete12345

    pete12345 Well-Known Member

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    Thanks for help yet again and told the enemy saved us £100 by doin it myself she was always worried an air bag would go off in her face oh ye of little faith
     
  20. Datatek

    Datatek Well-Known Member

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    I don't remember anything for more than 5 minutes these days:(
    Pleased you got it sorted.:)
     
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