C1130-66 Air Spring Supply

timc930 · Apr 6, 2025

I am approx 850 miles from home at the moment, on my way to Boston. Just before stopping at hotel tonight, I got the Ding and Triangle. Continued driving for another 45min to hotel. After pulling into hotel, I read the following codes with my Foxwell Scanner:
C1130-66: Air Spring Supply
U3000-52: Control Module
U3000-05: Control Module.

I have another 5hrs to drive tomorrow, then back home Mon (another 16hrs). Hoping the system remains inflated to get me home....

Rover Range · Apr 8, 2025

C1130-66 indicates that the suspension is in tight tolerance mode. Used when doing alignments.
The other two are "ghost codes."

I would disconnect the battery for 15min, reconnect and see what happens.

timc930 · Apr 9, 2025

Rover Range said:
C1130-66 indicates that the suspension is in tight tolerance mode. Used when doing alignments.
The other two are "ghost codes."

I would disconnect the battery for 15min, reconnect and see what happens.

Thank you. I did find a reference to that code and TTM when I was doing more research Sunday afternoon and would make sense, as just before the trip I put it in TTM for an alignment using my Foxwell scan tool, and after alignment I removed TTM. Maybe for some odd reason it did not get completely removed.

On another note, on the return trip home from Boston (18hrs) over 2 days, I did not receive the fault on the dashboard at all. I've also had an issue using the Foxwell when doing EAS work on my L322, I'll prob end up buying the IID for the LR4 and 405.

I'll disconnect the battery this morning as you suggest and then hook up the scan tool to see what mode it's in.

Thanks again for your help.

tim

ugmw177 · Apr 9, 2025

usually if LR is left in TTM, you will get a message on the dash info center saying something like "vehicle not in customer mode"

Rover Range · Apr 9, 2025

TTM can be initiated by a sequence of door opening and brake pedal application. May have been inadvertently activated.
Normal suspension mode is reactivated, once you drive over 30mph.

C1130-66 Air Spring Supply

timc930

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Rover Range

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timc930

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ugmw177

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