AutoCodes – Generic – P084E

P084E Code - Transmission Fluid Pressure Sensor/Switch 'H' Circuit Intermittent

Quick Answer

The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'H', Transmission Fluid Pressure Sensor/Switch 'H' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'H' circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P084E indicates Transmission Fluid Pressure Sensor/Switch 'H' Circuit Intermittent.
Common causes: Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'H', Transmission Fluid Pressure Sensor/Switch 'H' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'H' circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,622

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 10, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P084E Description

The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. The TCM sets the OBDII code when the Transmission Fluid Pressure Sensor/Switch is not to factory specifications.

OBDII Code P084E - Transmission Fluid Pressure Sensor/Switch 'H' Circuit Intermittent - AutoCodes.com — P084E Code - Transmission Fluid Pressure Sensor/Switch 'H' Circuit Intermittent

What does this mean?

What are the Possible Causes of the DTC P084E?

Faulty Transmission Fluid Pressure Sensor/Switch 'H'
Transmission Fluid Pressure Sensor/Switch 'H' harness is open or shorted
Transmission Fluid Pressure Sensor/Switch 'H' circuit poor electrical connection

How to Fix the DTC P084E?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P084E code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.