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Thread: Red Battery light on, and error P0622-00(68)

  1. #1
    Join Date
    Dec 2011
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    Red Battery light on, and error P0622-00(68)

    Hi all.
    For the last few months, I have intermittently had the red battery light come on. After stopping a restarting, it went away.
    This has occurred maybe 4 times in 5 months.
    Last night, on the way home from work, it came on and would not go off.
    This morning I did a code read and received "P0622-00(68) Generator field terminal circuit".
    The car is a 2006 V6 Petrol Auto.
    I'm guessing this might be an alternator issue, or could it be a battery on the way out? I do not know the age of the battery and there are no dates visible on the battery itself.
    Obviously the replacement battery is a cheaper option than the alternator, but would I waste my money replacing the battery, and then have to do the alternator??
    Would appreciate any advice anyone can offer.
    Thanks
    alan
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
    No 5 Trailer ARN 177-295
    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  2. #2
    Join Date
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    Kingston, Tassie, OZ.
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    Almost 100% alternator. And they are exxy too....
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  3. #3
    Join Date
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    Thanks Justin.
    Just checked battery and standing voltage from sitting overnight was 12.48V.
    Started the engine, and NO red light came on (GRRRRR!!!!) and charging voltage 14.62.
    How easy is it to change an alternator on a V6 petrol????
    From a time point of view, I might need to get this done by a mechanic.
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
    No 5 Trailer ARN 177-295
    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  4. #4
    Join Date
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    NSW SW Slopes
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    The brushes may be very worn. Can you get the alternator to an auto electrician for assessment?
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  5. #5
    Join Date
    Dec 2011
    Location
    Adelaide
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    Alternator replaced this morning and charge voltage is now down to 14.1 volts.
    Big shout out to Triumph Rover Spares in Lonsdale who did it in an hour on Saturday morning.
    Oh, and now I'll look at getting the old one "serviced" to keep as a spare, if it is worthwhile.
    Alan
    2012 L320 Range Rover Sport Fuji White
    REMLR 012
    No 5 Trailer ARN 177-295
    2006 Disco 3, 4L V6 Petrol SE Deceased Feb 26 2023
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

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