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mrrowland1, Auto Service Technician
Category: Car
Satisfied Customers: 373
Experience:  29 years experience Working Certified ASE Master /L1 (advanced engine pefromance) Technician
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3500 pickup: 1995 chevy..a 454 engine,auto trans..4l80e..trouble code

Resolved Question:

i have a 1995 chevy 3500 pickup with a 454 engine,auto trans "4l80e",obd1 computer 200.000 miles with a trouble code 36,,,but it seems this code is not defined....i have heard of phantom codes in the past ,and have several recources but no one can help me,,since this code showed up...i noticed a late shift pattern beyond the torque curve...i just need a starting point without throwing parts at it
Submitted: 11 years ago.
Category: Car
Expert:  mrrowland1 replied 11 years ago.
code 36 for this vehicle is idle speed actuator fault.The 4l80e is a fully electronic transmission.They don't share anything in common electrically.With these trucks,we've had 2 common problems.Bad ignition switches that don't put enough voltage to the center pin of the connector at the transmission and bad solenoid packs in trans valve body.check for power and grounds before replacing components.
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