OBD Guide

P086C

Neutral Position Sensor A Circuit Low

P086C is an OBD-II diagnostic trouble code meaning: Neutral Position Sensor A Circuit Low. Common causes: neutral position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Incorrect operation of the gearbox
  • Check Engine light comes on
  • Problems starting the engine
  • Unstable engine operation at idle

Causes

  • Neutral position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Circuit Grounding Problems
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the condition of the neutral position sensor
  2. Inspect wiring and connectors for damage
  3. Check circuit integrity and grounding quality
  4. Test the sensor with a multimeter
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P086C by Vehicle Brand

FAQ

What does the P086C code mean?

P086C is an OBD-II diagnostic trouble code that indicates: Neutral Position Sensor A Circuit Low

What causes a P086C error code?

The most common causes of P086C include: Neutral position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Circuit Grounding Problems.

How do I fix a P086C diagnostic trouble code?

To fix P086C: Check the condition of the neutral position sensor. Inspect wiring and connectors for damage. Check circuit integrity and grounding quality. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P086C?

Yes, but get it checked soon

How much does it cost to fix P086C?

The estimated repair cost for P086C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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