AutoCodes – Generic – P0069

P0069 Code - Manifold Absolute Pressure/Barometric Pressure Correlation

Quick Answer

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when the output from the manifold absolute pressure sensor and the barometric pressure sensor differ. Common causes include Faulty Barometric Pressure (BARO) sensor, Faulty Manifold Absolute Pressure (MAP) sensor, Engine mechanical problems. 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: P0069 indicates Manifold Absolute Pressure/Barometric Pressure Correlation.
Common causes: Common causes include Faulty Barometric Pressure (BARO) sensor, Faulty Manifold Absolute Pressure (MAP) sensor, Engine mechanical problems.
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 34,640

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0069 Description

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when the output from the manifold absolute pressure sensor and the barometric pressure sensor differ. Under certain conditions such as when the ignition is switched on (Key On, Engine Off) and under wide-open throttle conditions the signal from both sensors should correlate. This is due to the pressure in the intake manifold being close to atmospheric pressure under these conditions. The engine control module can use the throttle position signal and engine speed signal to calculate the expected manifold pressure if an anomaly is detected.

OBDII Code P0069 - Manifold Absolute Pressure/Barometric Pressure Correlation - AutoCodes.com — P0069 Code - Manifold Absolute Pressure/Barometric Pressure Correlation

What does this mean?

What are the Possible Causes of the DTC P0069?

Faulty Barometric Pressure (BARO) sensor
Faulty Manifold Absolute Pressure (MAP) sensor
Engine mechanical problems

How to Fix the DTC P0069?

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 P0069 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.

Need more information about the P0069 code?

Need more information on how to fix the P0069 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0069 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P0069 Acura — Barometric Pressure Sensor Circuit Range/Performance Problem
P0069 Audi — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Chrysler — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Dodge — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Ford — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Honda — Barometric Pressure Sensor Circuit Range/Performance Problem
P0069 Jeep — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Lincoln — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Mazda — MAP/BARO Correlation Error
P0069 Mercury — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Mitsubishi — Abnormal Correlation Between MAP Sensor and BARO Sensor
P0069 RAM — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Saturn — Manifold Absolute Pressure/Barometric Pressure Correlation
P0069 Volkswagen — Manifold Absolute Pressure/Barometric Pressure Correlation

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.

Frequently Asked Questions about P0069 Code

1. What are the common symptoms of OBDII code P0069 (Manifold Absolute Pressure/Barometric Pressure Correlation)?

- Common symptoms include poor engine performance, rough idling, hesitation during acceleration, and potentially decreased fuel efficiency.

2. What are the possible causes of OBDII code P0069?

- The code P0069 can be caused by issues such as a faulty manifold absolute pressure (MAP) sensor, a defective barometric pressure sensor, vacuum leaks, or a problem with the engine control module (ECM).

3. How can I diagnose the cause of OBDII code P0069?

- Diagnosing the cause of P0069 typically involves checking the MAP sensor and barometric pressure sensor readings using a scan tool, inspecting for any vacuum leaks, and testing the sensors for proper functionality.

4. Can I drive my vehicle with OBDII code P0069?

- It is not recommended to drive your vehicle with an active P0069 code, as it can lead to performance issues and potential damage to the engine over time. It's best to address the issue promptly.

5. How can I repair OBDII code P0069?

- Repairing P0069 may involve replacing the faulty MAP sensor or barometric pressure sensor, repairing any vacuum leaks, or addressing any issues with the ECM. It's recommended to follow manufacturer-specific diagnostic procedures.

6. Will resetting the OBDII code P0069 make it go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing P0069 is not fixed, the code is likely to reappear once the system detects the problem again.

7. Can a dirty air filter trigger OBDII code P0069?

- While a dirty air filter can impact engine performance, it is not a direct cause of P0069. However, a severely clogged air filter could potentially lead to issues with the MAP sensor readings, indirectly affecting barometric pressure correlation.

8. Is OBDII code P0069 specific to certain vehicle makes and models?

- OBDII code P0069 can be found in various vehicle makes and models, as it relates to an issue with the correlation between the manifold absolute pressure and barometric pressure sensors, which are common components in many vehicles.

9. Can extreme weather conditions trigger OBDII code P0069?

- Extreme weather conditions, such as significant changes in altitude or severe temperature variations, can potentially affect the barometric pressure readings and trigger OBDII code P0069 if the sensors are unable to adjust properly.

10. How long does it typically take to repair OBDII code P0069?

- The time needed to repair P0069 can vary depending on the specific cause of the issue and the availability of replacement parts. Simple fixes like replacing a sensor or fixing a vacuum leak can be done relatively quickly, while more complex issues may require more time for diagnosis and repair.