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P0734

Overview

Code

P0734

Code Type

P

Code Class

P0

System

Transmission

Severity Level

Medium

Emissions Related

false

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0734 indicates incorrect gear ratio in fourth gear

Symptoms

Poor fuel economy

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

Fourth gear operation

Possible Causes

Overdrive clutch wear

Diagnostic Steps

1 Inspect fluid 2 Monitor gear ratio data

Drive Safety Notes

Highway driving efficiency reduced

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