OBD Guide

P0855

Drive Switch Input Circuit High

P0855 is an OBD-II diagnostic trouble code meaning: Drive Switch Input Circuit High. Common causes: open or short circuit in the drive switch circuit, drive switch malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Incorrect display of gear selector position on the dashboard
  • Gear shifting problems
  • Engine stalls when changing gears
  • Activating emergency gearbox operation

Causes

  • Open or short circuit in the drive switch circuit
  • Drive switch malfunction
  • Poor contact in switch connector
  • Wiring harness damage
  • Transmission control unit malfunction

How to Fix

  1. Check the integrity of wires and connections in the motion switch circuit
  2. Check the resistance of the driving switch
  3. Inspect connectors for corrosion or damage
  4. Replace the drive switch if necessary

Related codes

Error P0855 by Vehicle Brand

FAQ

What does the P0855 code mean?

P0855 is an OBD-II diagnostic trouble code that indicates: Drive Switch Input Circuit High

What causes a P0855 error code?

The most common causes of P0855 include: Open or short circuit in the drive switch circuit; Drive switch malfunction; Poor contact in switch connector; Wiring harness damage.

How do I fix a P0855 diagnostic trouble code?

To fix P0855: Check the integrity of wires and connections in the motion switch circuit. Check the resistance of the driving switch. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0855?

Yes, but get it checked soon

How much does it cost to fix P0855?

The estimated repair cost for P0855 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat