ARCHIVE 2014+ GX460 Dash light help.

[brimy311]

I've searched this into the ground. For the life of me I can not find information on getting ride of the 'Check air suspension' error after installing the lift on the 2014+. I was able to defeat the system on the 2011, but this 2014 is winning.

Anyone have any information I was unable to find?

Currently:
I have taken care of the automatic headlight sensors.
We cut the airlines and removed the bags.
We have tired removing the 50amp relay and 7.5amp fuse for the air suspension under the hood, no luck
The 2014 does not have a TEMS fuse in the cab like the 2010-2013 does.

 

[Acrad]

No relays or fuses are removed on a 460.

Height sensors adjusted properly with lift and still connected? Some use washers.

Air compressor still attached? That is required at least the electrical piece of it on a AVS/RAHC equipped 460.

 

[brimy311]

No relays or fuses are removed on a 460.

Height sensors adjusted properly with lift and still connected? Some use washers.

Air compressor still attached? That is required at least the electrical piece of it on a AVS/RAHC equipped 460.

Height sensors are spaced down and extended.

Air compressor still attached. Just cut the air bag lines, capped the lines and removed the air bags.

 

[Acrad]

Do you have Techstream or OBD Link handy to pull the suspension codes?

Generally you should be good there unless something decided to break on you electrically while adjusting things.

I'm gonna check FSM to see if there is a way to pull codes on that system without TS or Link.

 

[giovanni]

Double check all the plugs / connectors on the pump, ECU (on the frame drivers side), and air distribution block.

 

[Acrad]

You can pull codes via OBD that will be shown on display according to FSM

 

[Acrad]

The latter number is what I assume will be displayed for codes.

 

[Acrad]

I think you can just do this to check and clear codes

 

[r2m]

Just gotta do a shout-out of appreciation to "wiki" Acrad for jumping in every time something like this comes up!
to you Acrad!

 

[brimy311]

Here are all the codes:
11 for Air Suspension:
C1731
C1732
C1733
C1734
C1781
C1782
C1731
C1732
C1733
C1734
C1781

4 codes for ABS
U0073
U0123
U0124
U0126

 

[Acrad]

C1731-34 can be disregarded as those are there from the removed AVS shocks and will likely always be there

1781 is an interesting one with Suspension Control ECU malfunction but that could have been if it got disconnected.

1782 and the U codes seem to be voltage related

 

[Acrad]