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xsvectOR
xsvectOR, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 16302
Experience:  ase
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2008 Silverado 2500 hd transmission shifting hard and codes

Customer Question

2008 Silverado 2500 hd transmission shifting hard and codes
Submitted: 2 years ago.
Category: Transmissions
Expert:  xsvectOR replied 2 years ago.

what are the codes?

Customer: replied 2 years ago.
p0842, p0872, p0877, p0989
Customer: replied 2 years ago.
Any Idea?
Expert:  xsvectOR replied 2 years ago.

looking at test charts now give me a few minutes

Customer: replied 2 years ago.
OK - Seems to have started when I used a SCT programmer
Expert:  xsvectOR replied 2 years ago.

can you uninstall the tune ? they are all electrical codes

Customer: replied 2 years ago.
yeah i'll try that tomorrow and see what happens - think that would work?
Expert:  xsvectOR replied 2 years ago.

I think so...sounds like you may have received a bad tune... you may have to have the ecm reflashed at chevy

Customer: replied 2 years ago.
oh really? Ok thanks for your help - I'll try it tomorrow
Expert:  xsvectOR replied 2 years ago.

good luck...

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