AutoCodes – BMW – P1123 BMW

P1123 BMW Code - Pedal Position 1 High Input

Quick Answer

P1123 BMW indicates Pedal Position 1 High Input. Common causes include Faulty Pedal Position Sensor, Pedal Position Sensor harness is open or shorted, Pedal Position 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: P1123 BMW indicates Pedal Position 1 High Input.
Common causes: Common causes include Faulty Pedal Position Sensor, Pedal Position Sensor harness is open or shorted, Pedal Position 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 4,633

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 Apr 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1123 BMW Description

OBDII Code P1123 BMW - Pedal Position 1 High Input - AutoCodes.com — P1123 BMW Code - Pedal Position 1 High Input

What does this mean?

What are the Possible Causes of the DTC P1123 BMW?

Faulty Pedal Position Sensor
Pedal Position Sensor harness is open or shorted
Pedal Position Sensor circuit poor electrical connection

How to Fix the DTC P1123 BMW?

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 P1123 BMW 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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Need more information on how to fix the P1123 BMW code? Get Access to Factory Service Manuals

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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 P1123 BMW Code

1. What are common symptoms of OBDII code P1123 in a BMW related to Pedal Position 1 High Input?

- Common symptoms include poor engine performance, reduced acceleration, and potentially a check engine light on the dashboard.

2. What are the possible causes of OBDII code P1123 in a BMW indicating Pedal Position 1 High Input?

- The code P1123 can be triggered by a faulty throttle position sensor, issues with the wiring or connections, or a problem with the electronic control module (ECM).

3. How can I diagnose the OBDII code P1123 in a BMW that points to Pedal Position 1 High Input?

- Diagnosing this code typically involves using a scan tool to check for any other related codes, testing the throttle position sensor, inspecting the wiring for damage, and checking the ECM for proper functioning.

4. Is it safe to continue driving my BMW with OBDII code P1123 indicating Pedal Position 1 High Input?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions due to compromised engine performance.

5. Can I repair OBDII code P1123 related to Pedal Position 1 High Input in my BMW myself?

- While some DIY enthusiasts may attempt to repair this code themselves by replacing the throttle position sensor or checking the wiring, it is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Are there any common quick fixes for OBDII code P1123 in a BMW indicating Pedal Position 1 High Input?

- Quick fixes may include checking and cleaning the throttle body, ensuring proper connection of the throttle position sensor, and resetting the ECM by disconnecting the battery for a few minutes.

7. How much does it typically cost to repair OBDII code P1123 related to Pedal Position 1 High Input in a BMW?

- The cost of repairing this code can vary depending on the exact cause and the labor rates of the repair shop, but it may range from a few hundred to over a thousand dollars.

8. Can a faulty oxygen sensor trigger OBDII code P1123 in a BMW indicating Pedal Position 1 High Input?

- While a faulty oxygen sensor is not a common cause of this specific code, it is always a good idea to ensure all sensors in the vehicle are functioning properly to prevent any related issues.

9. Will resetting the OBDII code P1123 related to Pedal Position 1 High Input in my BMW make it go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reoccur and require proper diagnosis and repair.

10. How long does it take to repair OBDII code P1123 in a BMW linked to Pedal Position 1 High Input?

- The repair time for this code can vary depending on the exact cause, availability of parts, and the workload of the repair shop, but it may take a few hours to a full day to diagnose and fix the issue.