P086D

Neutral Position Sensor A Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect operation of the gearbox
Difficulty starting the engine
Switching to emergency mode
Check Engine light comes on
Floating engine speed

Causes

Circuit shorted to power
Neutral position sensor malfunction
Wiring harness damage
Oxidation or damage to connectors
Problems with the ECU

How to Fix

Check the integrity of the sensor circuit
Check resistance and sensor signals
Inspect connectors and wiring for damage
Replace neutral position sensor if necessary
Check and update the ECU firmware if updates are available