OBD Guide

P08B2

Neutral Position Sensor A/B Correlation

P08B2 is an OBD-II diagnostic trouble code meaning: Neutral Position Sensor A/B Correlation. Common causes: neutral position sensor a or b faulty, damaged or corroded electrical contacts. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect display of gear lever position on the instrument panel
  • Problems starting the engine (the car may not start in the 'Parking' or 'Neutral' position)
  • Inability to change gears
  • Activating emergency transmission mode
  • The Check Engine light comes on

Causes

  • Neutral position sensor A or B faulty
  • Damaged or corroded electrical contacts
  • Open or short circuit in the sensor circuit
  • Mechanical damage to the gear shift lever
  • Problems with the transmission control unit

How to Fix

  1. Check the condition and connection of the neutral position sensors
  2. Check the integrity of the wiring and contacts in the sensor circuit
  3. Diagnose sensors using a scanner
  4. If necessary, replace the faulty sensor
  5. Calibrate the system after repair

Related codes

Error P08B2 by Vehicle Brand

FAQ

What does the P08B2 code mean?

P08B2 is an OBD-II diagnostic trouble code that indicates: Neutral Position Sensor A/B Correlation

What causes a P08B2 error code?

The most common causes of P08B2 include: Neutral position sensor A or B faulty; Damaged or corroded electrical contacts; Open or short circuit in the sensor circuit; Mechanical damage to the gear shift lever.

How do I fix a P08B2 diagnostic trouble code?

To fix P08B2: Check the condition and connection of the neutral position sensors. Check the integrity of the wiring and contacts in the sensor circuit. Diagnose sensors using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P08B2?

Do not drive — repair immediately

How much does it cost to fix P08B2?

The estimated repair cost for P08B2 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat