AutoCodes – Jeep – P0994 Jeep

P0994 Jeep Code - LR Pressure Switch Sense Circuit

Quick Answer

The Powertrain Control Module (PCM) uses three pressure switches to monitor the fluid pressure in the LR, 2/4, and OD clutch circuits. Common causes include LR Pressure Switch harness is open or shorted, LR Pressure Switch circuit poor electrical connection, Faulty LR Pressure Switch. 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: P0994 Jeep indicates LR Pressure Switch Sense Circuit.
Common causes: Common causes include LR Pressure Switch harness is open or shorted, LR Pressure Switch circuit poor electrical connection, Faulty LR Pressure Switch.
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 2,472

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 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0994 Jeep Description

The Powertrain Control Module (PCM) uses three pressure switches to monitor the fluid pressure in the LR, 2/4, and OD clutch circuits. The pressure switches are continuously monitored for the correct states in each gear as shown below.

OBDII Code P0994 Jeep - LR Pressure Switch Sense Circuit - AutoCodes.com — P0994 Jeep Code - LR Pressure Switch Sense Circuit

What does this mean?

What are the Possible Causes of the DTC P0994 Jeep?

LR Pressure Switch harness is open or shorted
LR Pressure Switch circuit poor electrical connection
Faulty LR Pressure Switch
Internal transmission damage
Faulty Powertrain Control Module (PCM)
Faulty Transmission Control Module (TCM)

How to Fix the DTC P0994 Jeep?

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 P0994 Jeep 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.