[Vdub4]

My check engine, my ABS light my traction control light my emergency brake light my messages on my computer check service air suspension service traction control been to the dealer more than seven times still on the warranty I have about 98,000 miles on the truck. and the dealer can't figure it out I've been on the phone with corporate and been no help has anybody experiences problem and nobody could be.
And when I diagnostic with OnStar I get these codes back.
U0121
P0856
P2272
C0242
U0109

 

[MrHolland]

Did you Google those codes?

Seems like the Cadillac Christmas tree is associated with some camshaft problem. Someone will soon chime in I'm sure.

 

[Cadillac Customer Service]

My check engine, my ABS light my traction control light my emergency brake light my messages on my computer check service air suspension service traction control been to the dealer more than seven times still on the warranty I have about 98,000 miles on the truck. and the dealer can't figure it out I've been on the phone with corporate and been no help has anybody experiences problem and nobody could be.
And when I diagnostic with OnStar I get these codes back.
U0121
P0856
P2272
C0242
U0109

Good Morning Vdub4,

I'm sorry to hear you're getting numerous error codes with your Escalade ESV. I can understand how concerning this might be. Were you planning to take it to a GM certified dealership for a diagnosis? If I can be of any assistance please let me know. Just send me a private message with your full contact information, VIN, mileage and the name of your preferred dealership. I hope to hear from you soon.

Katie O.
Cadillac Customer Care