transmission

Asked by Mar 25, 2017 at 11:31 AM about the 2002 GMC Sierra 1500 SLE 4WD Extended Cab LB

Question type: Maintenance & Repair

Trans stopped pulling but not
showing any Trans codes.   Only
codes are knock sensor,  catalyst
efficiency below threshold,  and
evaporated emissions control
small leak.  Could these cause my
Trans problems?

1 Answer

79,015

No these codes do not make the trany from working. This year transmission has known troubles. Best to get it to a transmission shop for proper diagnosis.

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