AutoCodes – Generic – P0023

P0023 Code - Exhaust Camshaft Position Actuator Solenoid Control Circuit Bank 2

Quick Answer

The Camshaft Position (CMP) Actuator system enables the Engine Control Module (ECM) to change the timing of the camshafts while the engine is operating. Common causes include Faulty Exhaust Camshaft Position Actuator Solenoid, Exhaust Camshaft Position Actuator Solenoid harness is open or shorted, Exhaust Camshaft Position Actuator 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: P0023 indicates Exhaust Camshaft Position Actuator Solenoid Control Circuit Bank 2.
Common causes: Common causes include Faulty Exhaust Camshaft Position Actuator Solenoid, Exhaust Camshaft Position Actuator Solenoid harness is open or shorted, Exhaust Camshaft Position Actuator 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 29,705

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 Nov 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0023 Description

The Camshaft Position (CMP) Actuator system enables the Engine Control Module (ECM) to change the timing of the camshafts while the engine is operating. The CMP actuator solenoid signal from the ECM is Pulse Width Modulated (PWM). The ECM controls the CMP actuator solenoid duty cycle by controlling the amount of solenoid ON time. The CMP actuator solenoid controls the advance or the retard of each camshaft. The CMP actuator solenoid controls the oil flow that applies the pressure to advance or retard the camshafts.
Ignition voltage is supplied directly to the CMP actuator solenoid. The ECM controls the solenoid by grounding the control circuit with a solid-state device called a driver. The driver is equipped with a feedback circuit that is pulled-up to a voltage. The ECM can determine if the control circuit is open, shorted to ground, or shorted to a voltage by monitoring the feedback voltage.
The Diagnostic Trouble Code (DTC) will set if the ECM detects an open in the CMP actuator solenoid circuits for more than 4 seconds or a cumulative of 50 seconds, when the solenoid is commanded OFF.

OBDII Code P0023 - Exhaust Camshaft Position Actuator Solenoid Control Circuit Bank 2 - AutoCodes.com — P0023 Code - Exhaust Camshaft Position Actuator Solenoid Control Circuit Bank 2

What does this mean?

What are the Possible Causes of the DTC P0023?

Faulty Exhaust Camshaft Position Actuator Solenoid
Exhaust Camshaft Position Actuator Solenoid harness is open or shorted
Exhaust Camshaft Position Actuator Solenoid circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0023?

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 P0023 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 P0023 code?

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Need Help with the Code?

Get the P0023 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P0023 Audi — 'B' Camshaft Position Actuator Circuit Bank 2
P0023 BMW — Variable Camshaft Timing 'B' Circuit Continuity Bank 2
P0023 Buick — Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2
P0023 Cadillac — Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2
P0023 Chevrolet — Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2
P0023 Ford — 'B' Camshaft Position Actuator 'A' Control Circuit/Open Bank 2
P0023 GMC — Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2
P0023 Lexus — Camshaft Position 'B' Actuator Circuit Bank 2
P0023 Lincoln — 'B' Camshaft Position Actuator 'A' Control Circuit/Open Bank 2
P0023 Mercury — Exhaust Camshaft Position Actuator Circuit/Open Bank 2
P0023 MINI — Variable Camshaft Timing 'B' Circuit Continuity Bank 2
P0023 Scion — Camshaft Position 'B' Actuator Circuit Bank 2
P0023 Suzuki — Exhaust Camshaft Position Actuator Solenoid Control Circuit Bank 2
P0023 Toyota — Camshaft Position 'B' Actuator Circuit Bank 2
P0023 Volkswagen — 'B' Camshaft Position Actuator Circuit Bank 2

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 P0023 Code

1. What are common symptoms of OBDII code P0023?

- Common symptoms of code P0023 include rough idling, engine misfires, poor acceleration, and potentially a decrease in fuel efficiency.

2. What does OBDII code P0023 indicate?

- OBDII code P0023 indicates a malfunction in the Exhaust Camshaft Position Actuator Solenoid Control Circuit for Bank 2.

3. What are the possible causes of OBDII code P0023?

- Possible causes of code P0023 include a faulty camshaft position actuator solenoid, wiring issues in the control circuit, low oil levels, or engine timing problems.

4. How can I diagnose the source of OBDII code P0023?

- Diagnosing code P0023 involves checking the camshaft position actuator solenoid, inspecting the wiring for damage, ensuring proper oil levels, and verifying engine timing.

5. Can I continue driving with OBDII code P0023?

- It is not recommended to continue driving with code P0023 present, as it can lead to further engine damage and potential safety hazards.

6. How is OBDII code P0023 typically repaired?

- Repairing code P0023 often involves replacing the faulty camshaft position actuator solenoid, repairing damaged wiring, adjusting engine timing, and ensuring proper oil levels.

7. Are there any DIY tips for addressing OBDII code P0023?

- DIY tips for addressing code P0023 include checking and cleaning electrical connections, inspecting wiring for damage, and ensuring regular oil changes to maintain proper engine function.

8. How much does it cost to fix OBDII code P0023?

- The cost to fix code P0023 can vary depending on the specific issue, but it typically ranges from $200 to $500, including parts and labor.

9. Can a mechanic reset the OBDII code P0023 after repairs?

- Yes, a mechanic can reset the OBDII code P0023 using a diagnostic tool after the necessary repairs have been made to clear the code from the vehicle's system.

10. How can I prevent OBDII code P0023 from recurring in the future?

- To prevent code P0023 from recurring, it is important to maintain regular vehicle maintenance, including timely oil changes, monitoring engine performance, and addressing any issues promptly.