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No hvac fan, power seats not working and 4x4 switch, 07gmc…

Customer Question
No hvac fan, power...

No hvac fan, power seats not working and 4x4 switch, 07gmc 3500 classic, could it be the bcm?

Mechanic's Assistant: What year is your Classic?

07

Mechanic's Assistant: Are you fixing your Classic yourself? What have you tried so far?

Replace the hvac ballast resister and fan motor

Mechanic's Assistant: How many miles are on the car? Is it an automatic or a manual transmission?

84000 automatic

Submitted: 8 months ago.Category: GMC
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Answered in 1 hour by:
11/19/2017
GMC Mechanic: Pete, GMC Mechanic replied 8 months ago
Pete
Pete, GMC Mechanic
Category: GMC
Satisfied Customers: 32,975
Experience: GM training and dealer tech for 14+ years. Diagnostics
Verified

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

Have you had the fault codes read out at all in all computers in your vehicle using a scan tool that can plug in and can read all computers in your vehicle?

Let me know,thanks Pete

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Customer reply replied 8 months ago
only codes that come up are abs
GMC Mechanic: Pete, GMC Mechanic replied 8 months ago

Were you able to communicate with the*****computer/transfer case computer to check codes in it?

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