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P0798

Overview

Code

P0798

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 P0798 indicates a malfunction in the transmission fluid temperature sensor circuit

Symptoms

Transmission overheating Poor 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 fluid temperature sensor

Possible Causes

Faulty temperature sensor Wiring issues

Diagnostic Steps

1 Inspect fluid temperature sensor2 Test sensor functionality

Drive Safety Notes

Overheating can lead to severe transmission damage if left unchecked

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