OBD Guide

P150A

Transmission Output Speed Signal Circuit

P150A is an OBD-II diagnostic trouble code meaning: Transmission Output Speed Signal Circuit. Common causes: open or short circuit in the sensor circuit, output shaft speed sensor malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Enabling emergency transmission mode
  • Check Engine Light Illuminates
  • Incorrect speedometer readings
  • Problems with cruise control

Causes

  • Open or short circuit in the sensor circuit
  • Output shaft speed sensor malfunction
  • Connector problems or contact corrosion
  • Transmission control module (TCM) malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the output shaft speed sensor circuit
  2. Check the condition of connectors and contacts
  3. Check the functionality of the output shaft speed sensor
  4. Check for firmware updates for TCM
  5. If necessary, replace the sensor or repair the wiring

Related codes

FAQ

What does the P150A code mean?

P150A is an OBD-II diagnostic trouble code that indicates: Transmission Output Speed Signal Circuit

What causes a P150A error code?

The most common causes of P150A include: Open or short circuit in the sensor circuit; Output shaft speed sensor malfunction; Connector problems or contact corrosion; Transmission control module (TCM) malfunction.

How do I fix a P150A diagnostic trouble code?

To fix P150A: Check the continuity of the output shaft speed sensor circuit. Check the condition of connectors and contacts. Check the functionality of the output shaft speed sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P150A?

Limited driving only, diagnose soon

How much does it cost to fix P150A?

The estimated repair cost for P150A is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat