OBD Guide

P1861

Transfer Case Contact Plate 'D' Short Circuit To Ground

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Problems with switching all-wheel drive modes
  • The car may go into emergency mode
  • Unstable operation of the all-wheel drive system
  • Possible jerking when changing gears

Causes

  • Damage to the wiring to the contact plate
  • Short circuit in wiring harness
  • Transfer case contact plate malfunction
  • Transfer case problems
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring to the contact plate
  2. Check contact plate resistance
  3. Inspect connectors for corrosion
  4. If necessary, replace the contact plate
  5. Check the operation of the transfer case

Related codes

Error P1861 by Vehicle Brand