top of page

P0791

Overview

Code

P0791

Code Type

P

Code Class

P0

System

Transmission

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0791 indicates a malfunction in the turbine speed sensor circuit

Symptoms

Slipping transmission Harsh shifting

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Turbine speed sensor

Possible Causes

Faulty turbine speed sensor Wiring or electrical issues

Diagnostic Steps

1 Inspect turbine speed sensor2 Test sensor circuit

Drive Safety Notes

A malfunctioning turbine speed sensor can cause poor shifting and affect fuel efficiency

bottom of page