P085B

DTC P085B, sometimes indicated as P085B00 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing gear shift control module "b" communication circuit low.

This code is typically caused by a wiring issue, or a problem with the gear shift control module.
Check the wiring harness for any damage, and make sure that all connectors are properly connected.
If the problem persists, replace the gear shift control module.

• P085B: Gear Shift Control Module "B" Communication Circuit Low
• P085B: Gear shift control module B, communication circuit – signal low
• P085B 00: Gear shift control module B, communication circuit - signal low