Trouble code B3531

[Heldju]

Any one here know anything about trouble code B3551? I can’t find anything about it anywhare.
It’s from a 2004 Tahoe.

HD

 

[corvette744]

Any one here know anything about trouble code B3551? I can’t find anything about it anywhare.
It’s from a 2004 Tahoe.

HD

Well first of all the code is B3531 not B3551 lol.Its a rear hvac code have you repaired or have a problem with the rear ac

 

[Heldju]

That makes sense ….hehehe…
Yes, I have had some isues with rear AC.
I figured that it was an engine code because I started to have issues with the engine yesterday.
I think I can delete this topic and start a new one about the engine