AutoCodes – BMW – P157E BMW

P157E BMW Code - Idle Throttle Valve Actuator 2 Short To Positive

Quick Answer

The Engine Control Module (ECM) monitors the Idle Throttle Valve Actuator 2. Common causes include Faulty Idle Throttle Valve Actuator 2, Idle Throttle Valve Actuator 2 harness is open or shorted, Idle Throttle Valve Actuator 2 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: P157E BMW indicates Idle Throttle Valve Actuator 2 Short To Positive.
Common causes: Common causes include Faulty Idle Throttle Valve Actuator 2, Idle Throttle Valve Actuator 2 harness is open or shorted, Idle Throttle Valve Actuator 2 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 1,388

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P157E BMW Description

The Engine Control Module (ECM) monitors the Idle Throttle Valve Actuator 2. The ECM sets the OBDII code when the Idle Throttle Valve Actuator 2 is not to factory specifications.

OBDII Code P157E BMW - Idle Throttle Valve Actuator 2 Short To Positive - AutoCodes.com — P157E BMW Code - Idle Throttle Valve Actuator 2 Short To Positive

What does this mean?

What are the Possible Causes of the DTC P157E BMW?

Faulty Idle Throttle Valve Actuator 2
Idle Throttle Valve Actuator 2 harness is open or shorted
Idle Throttle Valve Actuator 2 circuit poor electrical connection

How to Fix the DTC P157E 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 P157E 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.

Need more information about the P157E BMW code?

Need more information on how to fix the P157E BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P157E BMW code diagnosed by a professional: Find a repair shop in your area

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 P157E BMW Code

1. What are common symptoms of OBDII code P157E in a BMW related to the Idle Throttle Valve Actuator 2 Short To Positive?

The common symptoms include rough idling, stalling, and poor acceleration.

2. What could cause the Idle Throttle Valve Actuator 2 Short To Positive error code in a BMW?

Possible causes could be a faulty throttle valve actuator, damaged wiring or connectors, or a short circuit to the positive side.

3. How can I diagnose the issue related to OBDII code P157E in my BMW?

You can start by checking the wiring and connectors for any damage, testing the throttle valve actuator for proper function, and using a diagnostic tool to read the error codes.

4. Is it safe to continue driving my BMW with the P157E error code present?

It is not recommended to drive your BMW with this error code as it can lead to further engine problems and potential safety issues.

5. Can I repair the Idle Throttle Valve Actuator 2 Short To Positive issue in my BMW myself?

If you have experience working on automotive electrical systems, you may be able to repair the issue yourself. Otherwise, it's best to seek professional help.

6. How much does it typically cost to repair the OBDII code P157E related to the Idle Throttle Valve Actuator in a BMW?

The cost of repair can vary depending on the exact cause of the issue, but it may range from a couple of hundred to a few hundred dollars.

7. Will resetting the error code make it go away permanently?

Resetting the error code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Can a faulty Idle Throttle Valve Actuator affect the overall performance of my BMW?

Yes, a faulty idle throttle valve actuator can impact engine performance, fuel efficiency, and overall drivability of your BMW.

9. How long does it typically take to repair the Idle Throttle Valve Actuator 2 Short To Positive problem in a BMW?

The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day to complete.

10. Are there any preventive measures I can take to avoid encountering the P157E error code in my BMW?

Regular maintenance checks, timely inspections of the throttle system, and addressing any warning signs early can help prevent issues leading to the P157E error code.