AutoCodes – Audi – P2090 Audi

P2090 Audi Code - Camshaft Position Actuator 'B' Control Circuit Short To Ground Bank 1

Quick Answer

The camshaft's task is to operate the valves at the right time and in the right order to control the charge cycle. Common causes include Faulty Camshaft Adjustment Valve, Camshaft Adjustment Valve harness is open or shorted, Camshaft Adjustment Valve 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: P2090 Audi indicates Camshaft Position Actuator 'B' Control Circuit Short To Ground Bank 1.
Common causes: Common causes include Faulty Camshaft Adjustment Valve, Camshaft Adjustment Valve harness is open or shorted, Camshaft Adjustment Valve 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 2,082

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 Jul 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2090 Audi Description

The camshaft's task is to operate the valves at the right time and in the right order to control the charge cycle. Camshaft adjustment using the Camshaft Adjustment Valve 1 varies the opening times of the valves to suit all operating conditions. This ensures ideal charge cycles within a wide range of engine speeds and loads. Fuel consumption and pollutant emissions are reduced, torque, and smoothness increased. In engines with a double overhead camshaft, the size and positioning of the valve opening overlap can be influenced, enhancing characteristics in full-load and part-load operation. In continuous camshaft adjustment, the adjustment is infinitely variable within specific parameters. The Diagnostic Trouble Code (DTC) will set when the Diagnostic Trouble Code (DTC) circuit is not to factory specifications.

OBDII Code P2090 Audi - Camshaft Position Actuator 'B' Control Circuit Short To Ground Bank 1 - AutoCodes.com — P2090 Audi Code - Camshaft Position Actuator 'B' Control Circuit Short To Ground Bank 1

What does this mean?

What are the Possible Causes of the DTC P2090 Audi?

Faulty Camshaft Adjustment Valve
Camshaft Adjustment Valve harness is open or shorted
Camshaft Adjustment Valve circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2090 Audi?

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 P2090 Audi 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 P2090 Audi 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 P2090 Audi Code

1. What are the common symptoms of OBDII code P2090 in an Audi related to the Camshaft Position Actuator 'B' Control Circuit Short To Ground Bank 1?

- Common symptoms include rough idling, decreased engine performance, stalling, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P2090 in an Audi?

- Possible causes include a faulty camshaft position actuator, damaged wiring or connectors, a short circuit to ground in the control circuit, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the OBDII code P2090 in my Audi?

- Diagnosing the code involves using an OBDII scanner to retrieve the code, inspecting the camshaft position actuator and its wiring, and testing the circuit for shorts to ground.

4. Can I continue driving my Audi with OBDII code P2090 present?

- It is not recommended to drive your Audi with this code present, as it can lead to further damage to the engine and affect its overall performance.

5. How can I repair OBDII code P2090 in my Audi?

- Repairing the code may involve replacing the camshaft position actuator, repairing any damaged wiring or connectors, and clearing the code with an OBDII scanner.

6. What are some tips for preventing OBDII code P2090 from occurring in my Audi?

- Regular maintenance, such as checking and replacing worn-out components, ensuring proper wiring connections, and addressing any engine performance issues promptly, can help prevent this code from occurring.

7. How much does it typically cost to repair OBDII code P2090 in an Audi?

- The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced, but it can range from a few hundred to a thousand dollars.

8. Can a DIY enthusiast fix OBDII code P2090 in an Audi?

- While some aspects of diagnosing and repairing this code can be done by a knowledgeable DIY enthusiast, it is recommended to seek professional help for a thorough diagnosis and proper repair to avoid further complications.

9. How urgent is it to address OBDII code P2090 in an Audi?

- It is important to address this code promptly to prevent potential damage to the engine and ensure the safe operation of your Audi.

10. Will resetting the Check Engine Light make OBDII code P2090 disappear permanently?

- Resetting the Check Engine Light may clear the code temporarily, but if the underlying issue causing OBDII code P2090 is not fixed, the code is likely to reappear.