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I have a 2007 GMC Sierra and we changed the battery at Sears

Customer Question
and now it want start...
I have a 2007 GMC Sierra and we changed the battery at Sears and now it want start
Submitted: 2 years ago.Category: GMC
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Answered in 3 minutes by:
10/30/2015
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago
Dave Nova
Dave Nova, GMC Technician
Category: GMC
Satisfied Customers: 19,452
Experience: ASE Master Certification. GM World Class Certification
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Does the starter engage and turn the engine over when the key is turned to Start position?

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Customer reply replied 2 years ago
No
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

With the key on, do all of the dash indicators light up? Does a/c fan work, power windows, etc. ?

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Customer reply replied 2 years ago
but no Dom light
Customer reply replied 2 years ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Did old battery completely die? Was battery, jumper cables, or battery charger inadvertently connected backwards at any point?

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Customer reply replied 2 years ago
No old battery was not dead.... They plunged in a OTC memory saver model 3177A and installed new battery
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Are all of the larger fuses in the underhood fuse panel intact?

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GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Is the security light on or flashing when the key is turned on or to start?

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Customer reply replied 2 years ago
No but the traction control say it's off
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Do you have access to a scan tool? If so, try to communicate with the PCM and BCM and let me know.

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Customer reply replied 2 years ago
No I do not I'm at Sears automotive shop
Customer reply replied 2 years ago
Can you call me at(###) ###-####
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

They should have a diagnostic scan tool there. Perhaps they could do this for you. If all fuses are good then there is likely a computer glitch or failure. You can try disconnecting the battery for at least 30 seconds to try to reset all modules. After that a scan tool will be necessary to see which modules are communicating and which are not.

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Customer reply replied 2 years ago
We disconnected the battery several times with no luck look for the scan tool
Customer reply replied 2 years ago
Will it tell if a fuse is blown?
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

The scan tool will tell you if the modules are communicating. Fuses need to be checked visually or with a test light at each fuse.

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Customer reply replied 2 years ago
Found scan tool what's next
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Connect scan tool to diagnostic port under drivers side of dash. Power up the scan tool and check trouble codes. You will want to check powertrain codes (PCM) and body codes (BCM). Let me know what you find.

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Customer reply replied 2 years ago
This scanner does not read that
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Does it check codes at all? If so, what are the code numbers from the scanner?

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Customer reply replied 2 years ago
It sad no codes to read
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

Sounds like the scanner is very basic, likely only reads powertrain codes and will not talk to the BCM. Has the inspection of all the fuses been completed?

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Customer reply replied 2 years ago
BCM computer was bad
GMC Mechanic: Dave Nova, GMC Technician replied 2 years ago

That is what I suspected. Thank you for the update. This sometimes happens when a battery change is done.

Dave

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