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P0727

Overview

Code

P0727

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0727 indicates a malfunction in the transmission control system

Symptoms

Slipping transmission Rough 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

Transmission control system

Possible Causes

Faulty transmission control module (TCM) Wiring issues

Diagnostic Steps

1 Inspect TCM wiring2 Test TCM functionality

Drive Safety Notes

Malfunctions in the transmission control system can lead to poor driving performance

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