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L322 Tech question - Trans safe mode

Discussion in 'Range Rover' started by Petelucherts, Jan 24, 2022.

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  1. Petelucherts

    Petelucherts New Member

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    Hi guys
    New to range rovers but the one I have randomly does into trans fail safe... doesn't seem to be a "getting hot issue" it's a bit random.

    No error codes in gear box...

    Any ideas ? Guessing it could be the gear selector switch.

    Thanks in advance
     
  2. marjon

    marjon Well-Known Member Full Member

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    Bit more details of model would help a bit.

    But everybody will say Battery first needs to be 110% tip top condition.

    If that’s all your seeing and this time of year it’s the place to start

    Oh and welcome:)

    J
     
  3. Petelucherts

    Petelucherts New Member

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    Thanks mate.

    2003 v8 petrol (bmw engine).

    This is after a period of the car sitting for ages
     
  4. tomcat59alan

    tomcat59alan Well-Known Member

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    Welcome,as posted, battery especially if it's been standing.How old is the one fitted? If you need a new one the one from battery megastore MF100- 13 I think the number is the one widely recommended on here.
     
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  5. Petelucherts

    Petelucherts New Member

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    OK cheers chaps, she had absolutely no problem starting ...but I guess the gearbox ecu is very sensitive...
     
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  6. marjon

    marjon Well-Known Member Full Member

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    They are all bloody sensitive. Battery is always the first call. Unless any other faults show that give a better clue.

    if it’s a keeper look at diagnostics of your own, worth their wt in gold:)
    Good luck and please stick around and let us know how you get on:)

    J
     
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  7. biketeacherdave

    biketeacherdave Well-Known Member

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    Battery 1st
    Radiator 2nd due to sitting a long time and crud build up at bottom of the rad where the gearbox oil cooler is situated.
     
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  8. brianp38dse

    brianp38dse Well-Known Member

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    Even with the motor starting after its been sat, if battery is low as the starter turns it pulls all the available juice and drops the voltage to everything else and if it drops low enough the ecu`s will throw a fault for fun.
     
  9. Jon Dor

    Jon Dor Well-Known Member

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    Alan, correct recommendation, but it's actually Hankook MF31-1000. I was going to buy one myself yesterday, but megastore out of stock. One on elsewere but almost £130 squids.
    I was cursing mine yesterday after jump-starting mine every day for a week, then I found a loose terminal. Tightened it up and it started at first turn of key. Saved myself almost £130 if that's all it was.
     
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  10. tomcat59alan

    tomcat59alan Well-Known Member

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    Mine was£105 in November if I remember correctly.
     
  11. Jon Dor

    Jon Dor Well-Known Member

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    Yesterday, it was £101.95 but "Out of Stock"
     
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