GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

but load of dtc's

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Old Jan 30, 2008 | 03:20 PM
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Default but load of dtc's

what is with all of these.
[Restraints] U1000 - Class 2 Communication Malfunction (History) (Immature)
[Restraints] U1096 - Loss of Communications with IPC (History) (Immature)
[HVAC] B3770 - (History) (Immature)
[HVAC] B0229 - (History) (Immature)
[HVAC] B3531 - (History) (Immature)
[HVAC] B3764 - (History) (Immature)
[HVAC] B0429 - Temperature Control Rear Circuit Range/Performance (History) (Immature)
[HVAC] B0434 - (History) (Current) (Immature)
[Convenience] B1850 - Driver Lumbar Horiz Sensor CKT Malf (History) (Immature)
[Convenience] B1960 - (History) (Immature)
[Convenience] B2425 - (History) (Immature)

**edit* figured out the first two. it was from when i pulled the cluster out to look at it.

Last edited by 4.8T; Jan 30, 2008 at 03:41 PM.
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Old Jan 30, 2008 | 04:02 PM
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Are you using HP Tuners?

If you are see this thread; http://www.hptuners.com/forum/showthread.php?t=6766

Probably just BCM codes that you don't need to worry about.
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Old Jan 30, 2008 | 04:30 PM
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yeah, hpt. but my lumbar doesn't work, my seat heater doesn't work, and my rear heat blows cold all the time no heat at all.
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Old Jan 30, 2008 | 05:49 PM
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Well then I'm guessing that's why you are getting those codes.

Sorry not sure what to check besides fuses for the seat problems.
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