top of page

P0781

Overview

Code

P0781

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 P0781 indicates a malfunction in the transmission control system

Symptoms

Rough shifting Transmission slippage

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

Transmission control system

Possible Causes

Faulty transmission control module (TCM) Wiring issues

Diagnostic Steps

1 Inspect TCM2 Test TCM functionality

Drive Safety Notes

Transmission control system malfunctions can cause poor vehicle drivability

bottom of page