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Who has the best diagnostic shops around Houston Texas area?
- schmitty8w8w
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2 years 8 months ago #50272
by schmitty8w8w
My dads 09 Chevy 2500 hd Duramax 6 speed allison is stuck in 3rd gear and the code says selenoid b stuck open. Ive been learning on here but I cant figure it out. He wants to take it to a stealership but i think they will change the tcm and transmission and still have the same problem. can you recommend a good diag shop in houston area?
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2 years 8 months ago #50294
by Cheryl
Replied by Cheryl on topic Who has the best diagnostic shops around Houston Texas area?
There’s a guy on YouTube his channel is advanced level diagnostics he’s in Houston
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2 years 8 months ago #50295
by Cheryl
Replied by Cheryl on topic Who has the best diagnostic shops around Houston Texas area?
Advanced level auto my bad
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2 years 8 months ago #50307
by schmitty8w8w
Replied by schmitty8w8w on topic Who has the best diagnostic shops around Houston Texas area?
Ok yeah i have seen his videos. didnt realize hes a local for me. thanks
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2 years 8 months ago #50323
by AJeep18
Replied by AJeep18 on topic Who has the best diagnostic shops around Houston Texas area?
have you checked the fluid color and condition? Any other codes? I have seen multiple TCM failures on these trucks, additionally the internal pressure switch can go bad causing codes like this.
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