Code 39 on a 89 buick century

Asked by Sep 04, 2017 at 03:33 PM about the 1989 Buick Century Custom Sedan FWD

Question type: Maintenance & Repair

I have  89 buick century that is giving
me code 39 for torque converter
control circuit.  My question is where is
it located? How difficult is it to replace?

2 Answers


have you serviced the transmission before??


It's in the automatic transmission. Best to let a shop handle this. HTH. -Jim

Your Answer:

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