OBD Guide

P08AF

Neutral Position Sensor B Circuit Low

P08AF is an OBD-II diagnostic trouble code meaning: Neutral Position Sensor B Circuit Low. Common causes: neutral position sensor b 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

  • Difficulty starting the engine
  • Incorrect operation of the gearbox
  • Check Engine Light Is On
  • The vehicle may not recognize the neutral position

Causes

  • Neutral Position Sensor B Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation or damage
  3. Check the functionality of the neutral position sensor B
  4. Replace sensor if necessary
  5. Check and, if necessary, replace the transmission control module (TCM)

Related codes

Error P08AF by Vehicle Brand

FAQ

What does the P08AF code mean?

P08AF is an OBD-II diagnostic trouble code that indicates: Neutral Position Sensor B Circuit Low

What causes a P08AF error code?

The most common causes of P08AF include: Neutral Position Sensor B Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Transmission control module (TCM) malfunction.

How do I fix a P08AF diagnostic trouble code?

To fix P08AF: Check the integrity of the sensor circuit. Inspect connectors and contacts for oxidation or damage. Check the functionality of the neutral position sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P08AF?

Yes, but get it checked soon

How much does it cost to fix P08AF?

The estimated repair cost for P08AF is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat