OBD Guide

P081D

Neutral Input Circuit

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

Symptoms

  • Incorrect idle speed
  • Check Engine Light Illuminates
  • Gear shifting problems
  • Unexpected behavior of the start-stop system
  • Reduced engine efficiency

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the gearshift lever position sensor
  • Poor contact in wiring connectors
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the operation of the gearshift lever position sensor
  3. Clean connector contacts
  4. Check sensor circuit resistance
  5. If necessary, replace the sensor or wiring

Related codes

Error P081D by Vehicle Brand