AutoCodes – BMW – P2091 BMW

P2091 BMW Code - 'B' Camshaft Position Actuator Control Circuit High Bank 1

Quick Answer

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected in the continuously variable valve timing system. Common causes include Faulty Continuously Variable Valve Timing Solenoid, Continuously Variable Valve Timing Solenoid harness is open or shorted, Continuously Variable Valve Timing Solenoid 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: P2091 BMW indicates 'B' Camshaft Position Actuator Control Circuit High Bank 1.
Common causes: Common causes include Faulty Continuously Variable Valve Timing Solenoid, Continuously Variable Valve Timing Solenoid harness is open or shorted, Continuously Variable Valve Timing Solenoid 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 281

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 Oct 25, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2091 BMW Description

This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected in the continuously variable valve timing system. Mechanical defects such as incorrect valve timing or low oil level/pressure can cause a fault code to be stored. Mechanical issues should be ruled out before carrying out further diagnostic tests.

OBDII Code P2091 BMW - 'B' Camshaft Position Actuator Control Circuit High Bank 1 - AutoCodes.com — P2091 BMW Code - 'B' Camshaft Position Actuator Control Circuit High Bank 1

What does this mean?

What are the Possible Causes of the DTC P2091 BMW?

Faulty Continuously Variable Valve Timing Solenoid
Continuously Variable Valve Timing Solenoid harness is open or shorted
Continuously Variable Valve Timing Solenoid circuit poor electrical connection

How to Fix the DTC P2091 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 P2091 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 P2091 BMW code?

Need more information on how to fix the P2091 BMW code? Get Access to Factory Service Manuals

Need Help with the 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 P2091 BMW Code

1. What are the common symptoms of OBDII code P2091 in a BMW related to the 'B' Camshaft Position Actuator Control Circuit High Bank 1?

- Common symptoms include rough idling, engine misfires, loss of power, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P2091 in a BMW?

- The code P2091 can be triggered by issues such as a faulty camshaft position actuator, wiring problems, a malfunctioning camshaft sensor, or a problem with the engine control module.

3. How can I diagnose the 'B' Camshaft Position Actuator Control Circuit High Bank 1 issue in my BMW?

- To diagnose this issue, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the camshaft position actuator and its wiring, and perform voltage tests to check for proper electrical signals.

4. Can I continue driving my BMW with OBDII code P2091 present?

- It is not recommended to drive your BMW with OBDII code P2091 present, as it can lead to further engine damage and worsen the symptoms over time.

5. How can I repair OBDII code P2091 related to the 'B' Camshaft Position Actuator Control Circuit High Bank 1 in my BMW?

- Repairing this issue may involve replacing the faulty camshaft position actuator, repairing any damaged wiring, replacing the camshaft sensor if necessary, or reprogramming the engine control module.

6. Is it possible to reset the OBDII code P2091 in a BMW without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause of the problem to prevent the code from reoccurring and causing potential long-term damage.

7. How much does it typically cost to repair OBDII code P2091 in a BMW at a dealership or a repair shop?

- The cost of repairing OBDII code P2091 can vary depending on the specific cause of the issue, but it may range from $200 to $600 at a dealership or repair shop.

8. Can a DIY enthusiast with some automotive knowledge fix OBDII code P2091 in a BMW?

- Depending on your skill level, you may be able to address this issue yourself by following repair guides, but it is recommended to consult with a professional if you are unsure about the diagnosis or repair process.

9. How long does it usually take to repair OBDII code P2091 in a BMW?

- The repair time for OBDII code P2091 can vary based on the complexity of the issue and the availability of parts, but it may take a few hours to a full day to complete the repair.

10. Are there any preventive measures I can take to avoid encountering OBDII code P2091 in my BMW in the future?

- Regular maintenance, such as timely oil changes, using high-quality fuel, and addressing any engine issues promptly, can help prevent the occurrence of OBDII code P2091 in your BMW.