OBD Guide

P08B3

Neutral Position Sensor B Not Learned

P08B3 is an OBD-II diagnostic trouble code meaning: Neutral Position Sensor B Not Learned. Common causes: the sensor training procedure has not been completed, neutral position sensor b malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Gear shifting problems
  • Engine won't start
  • Incorrect display of gear position on the dashboard
  • Check Engine light comes on

Causes

  • The sensor training procedure has not been completed
  • Neutral Position Sensor B Malfunction
  • Problems in the sensor electrical circuit
  • Transmission control module malfunction
  • Wiring harness damage

How to Fix

  1. Check the condition of the sensor and its connection
  2. Check the integrity of the electrical circuit
  3. Perform the sensor training procedure using diagnostic equipment
  4. If necessary, replace neutral position sensor B
  5. Check and, if necessary, replace the transmission control module

Related codes

Error P08B3 by Vehicle Brand

FAQ

What does the P08B3 code mean?

P08B3 is an OBD-II diagnostic trouble code that indicates: Neutral Position Sensor B Not Learned

What causes a P08B3 error code?

The most common causes of P08B3 include: The sensor training procedure has not been completed; Neutral Position Sensor B Malfunction; Problems in the sensor electrical circuit; Transmission control module malfunction.

How do I fix a P08B3 diagnostic trouble code?

To fix P08B3: Check the condition of the sensor and its connection. Check the integrity of the electrical circuit. Perform the sensor training procedure using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P08B3?

Yes, but get it checked soon

How much does it cost to fix P08B3?

The estimated repair cost for P08B3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat