LR3 Front Air Shocks lowered to the bump stops and won't rise

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#21

10-15-2018, 06:46 PM

rumi409

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Quote:

Originally Posted by DakotaTravler

Yes, compressors can be rebuilt. I did mine. It took a day to do mostly because I was not in a hurry and I did above and beyond the usual. Compressor is dead quit now. I also installed a new exhaust port.

I think I first looked at your codes in haste, they are too long but maybe they are legit. If you remove the last two digits, they are indeed codes.

Are you sure C1A02 is not actually C1A20 ? If so, thats basically a faulty compressor code. If it is in fact C1A02, its "Rotary Encoder Stuck In Intermediate Position" and from what I have read is due to a failed terrain response module.
C1131 is a system fault related to almost anything, sensors, pump, valve blocks.
C1A01 LED circuit???
U0421 Invalid data received from ride level control module

Keep in mind, one failure can cause other codes to trigger.

Also, if you switch compressor makes you WILL need to update the EAS module. This is also why I rebuilt mine. I have a Hitachi and will replace with the same if I ever need to.

One of the nagging problems I had prior to the compressor fault was that I couldn't change driving modes, so C1A02 makes sense. I just ignored it since it was stuck on normal. I guess I'll need to look for a new rotary switch.

Could the exhaust port failure cause the compressor to overheat and shutdown?

I ordered a new compressor from Lucky 8. That way I don't have to reprogram. Any feedback on those compressors?

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#22

10-15-2018, 08:18 PM

DakotaTravler

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A stuck open exhaust port could cause the compressor to run, but not build up sufficient pressure as the system expects and then fault.

Im not sure bout Lucky8 compressors, they dont make their own as I know. If you are replacing brand for brand, you are fine though.

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#23

11-24-2018, 02:22 PM

Mityone54

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Air suspension

Hi,
i was having air suspension problems, also and I decided to do a conversion to coil. I could not be happier.. And to get the fault lights disabled, they come with the flash module that takes care of that...

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#24

11-24-2018, 02:27 PM

rumi409

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Quote:

Originally Posted by Mityone54

Thanks for letting me know about the conversion. Which kit did you go with? What was the cost?

I ended up going with another compressor which fixed the issue.

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