OBD Guide

P085F

Up and Down Shift Switch Circuit Range/Performance

P085F is an OBD-II diagnostic trouble code meaning: Up and Down Shift Switch Circuit Range/Performance. Common causes: up/down gear switch malfunction, open or short circuit in the circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Gear shifting problems
  • Check Engine light comes on
  • The car may go into emergency mode
  • Reduced engine performance

Causes

  • Up/Down Gear Switch Malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check up/down gear switch
  2. Check the integrity of the circuit and connectors
  3. Check the operation of the transmission control module (TCM)
  4. Replace faulty components

Related codes

Error P085F by Vehicle Brand

FAQ

What does the P085F code mean?

P085F is an OBD-II diagnostic trouble code that indicates: Up and Down Shift Switch Circuit Range/Performance

What causes a P085F error code?

The most common causes of P085F include: Up/Down Gear Switch Malfunction; Open or short circuit in the circuit; Poor contact in connectors; Transmission control module (TCM) malfunction.

How do I fix a P085F diagnostic trouble code?

To fix P085F: Check up/down gear switch. Check the integrity of the circuit and connectors. Check the operation of the transmission control module (TCM). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P085F?

Yes, but get it checked soon

How much does it cost to fix P085F?

The estimated repair cost for P085F is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat