AutoCodes – MINI – P1172 MINI

P1172 MINI Code - Ambient Pressure Sensor Rationality Check

Quick Answer

P1172 MINI indicates Ambient Pressure Sensor Rationality Check. Common causes include Faulty Ambient Pressure Sensor, Ambient Pressure Sensor harness is open or shorted, Ambient Pressure Sensor 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: P1172 MINI indicates Ambient Pressure Sensor Rationality Check.
Common causes: Common causes include Faulty Ambient Pressure Sensor, Ambient Pressure Sensor harness is open or shorted, Ambient Pressure Sensor 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 1,520

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1172 MINI Description

OBDII Code P1172 MINI - Ambient Pressure Sensor Rationality Check - AutoCodes.com — P1172 MINI Code - Ambient Pressure Sensor Rationality Check

What does this mean?

What are the Possible Causes of the DTC P1172 MINI?

Faulty Ambient Pressure Sensor
Ambient Pressure Sensor harness is open or shorted
Ambient Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1172 MINI?

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 P1172 MINI 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 P1172 MINI code?

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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.

Frequently Asked Questions about P1172 MINI Code

1. What are the common symptoms of OBDII code P1172 in a MINI vehicle?

- Common symptoms include engine performance issues, reduced fuel efficiency, and the illumination of the Check Engine Light.

2. What does the OBDII code P1172 in a MINI indicate?

- OBDII code P1172 in a MINI indicates an Ambient Pressure Sensor Rationality Check error.

3. What are the possible causes of OBDII code P1172 in a MINI?

- Possible causes include a faulty ambient pressure sensor, wiring issues, vacuum leaks, or issues with the engine control module.

4. How can I diagnose the cause of OBDII code P1172 in my MINI?

- Diagnosing the issue may require using a diagnostic scanner to retrieve the code and then performing tests to check the ambient pressure sensor, wiring, and vacuum system.

5. Can I continue to drive my MINI with OBDII code P1172 present?

- It is not recommended to drive your MINI with the OBDII code P1172 present, as it can lead to further engine damage and reduced performance.

6. How can I repair OBDII code P1172 in my MINI?

- Repairing OBDII code P1172 may involve replacing the ambient pressure sensor, repairing any damaged wiring, fixing vacuum leaks, or reprogramming the engine control module.

7. Is it necessary to reset the Check Engine Light after repairing OBDII code P1172 in a MINI?

- Yes, it is recommended to reset the Check Engine Light after repairing OBDII code P1172 to clear the error code and ensure proper operation of the vehicle.

8. Are there any DIY tips for troubleshooting OBDII code P1172 in my MINI?

- DIY tips may include visually inspecting the ambient pressure sensor and its wiring for any visible damage, checking for vacuum leaks, and ensuring proper connections.

9. How long does it take to repair OBDII code P1172 in a MINI?

- The repair time for OBDII code P1172 can vary depending on the exact cause of the issue, but it may take a few hours to complete the diagnosis and repair.

10. Can a professional mechanic help me with diagnosing and repairing OBDII code P1172 in my MINI?

- Yes, seeking assistance from a professional mechanic experienced in MINI vehicles is recommended for accurate diagnosis and proper repair of OBDII code P1172.