AutoCodes – Generic – P1592

P1592 Code - Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio

Quick Answer

P1592 indicates Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio. Common causes include Faulty Manifold Absolute Pressure Sensor, Faulty Barometric Pressure Sensor, Barometric Pressure Sensor/Manifold Absolute Pressure Sensor harness is open or shorted. 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: P1592 indicates Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio.
Common causes: Common causes include Faulty Manifold Absolute Pressure Sensor, Faulty Barometric Pressure Sensor, Barometric Pressure Sensor/Manifold Absolute Pressure Sensor harness is open or shorted.
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 8,588

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 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P1592 Description

OBDII Code P1592 - Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio - AutoCodes.com — P1592 Code - Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio

What does this mean?

What are the Possible Causes of the DTC P1592?

Faulty Manifold Absolute Pressure Sensor
Faulty Barometric Pressure Sensor
Barometric Pressure Sensor/Manifold Absolute Pressure Sensor harness is open or shorted
Barometric Pressure Sensor/Manifold Absolute Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1592?

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 P1592 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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Information for Specific Makes

P1592 Audi — Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio
P1592 Land Rover — Antilock Brake System Rough Road Signal Short Circuit To Positive
P1592 Subaru — Neutral Position Switch Circuit - MT Model
P1592 Volkswagen — Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio

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.