Service air suspension

[Mnikks]

Anytime it goes below 0 Celsius I get a “service air suspension system” code. The back driver side won’t level. I have seen people with 1500s put air brake anti freeze in but I cannot find the air suspension filter on my 2500? Anybody try this and have luck?

 

[Thorvald]

Try the push down all fuses trick first. This fixed both my service air suspension messages.

 

[AH64ID]

Anytime it goes below 0 Celsius I get a “service air suspension system” code. The back driver side won’t level. I have seen people with 1500s put air brake anti freeze in but I cannot find the air suspension filter on my 2500? Anybody try this and have luck?

Haven’t heard of doing that on the HD trucks. The system is an open loop, unlike the LD air suspension.

The filter/intake is also the exhaust and is located on the passenger side between the cab and bed.

 

[LouNY]

I've been getting that also the last few days, when it gets warmed up (ambient above 32F for awhile) it goes away.