P085C Possible Causes
Faulty shift control module “B”
Shift control module “B” circuit is open or shorted
Poor electrical connection in shift control module B circuit
What Does It Mean?
How to Fix Code P085C
Check the “possible causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P085C Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P085C Meaning
The engine control module (ECM) monitors the shift control module. The ECM sets the OBDII code when there is a communication problem with the shift control module.