AutoCodes – Generic – P001B

P001B Code - 'A' Camshaft Profile Control Circuit Low Bank 1

Quick Answer

The Engine Control Module (ECM) monitors the 'A' Camshaft Profile Control Circuit Bank 1. Common causes include Faulty 'A' Camshaft Position Sensor Bank 1, 'A' Camshaft Position Sensor Bank 1 harness is open or shorted, 'A' Camshaft Position Sensor Bank 1 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: P001B indicates 'A' Camshaft Profile Control Circuit Low Bank 1.
Common causes: Common causes include Faulty 'A' Camshaft Position Sensor Bank 1, 'A' Camshaft Position Sensor Bank 1 harness is open or shorted, 'A' Camshaft Position Sensor Bank 1 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 11,272

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 Apr 07, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P001B Description

The Engine Control Module (ECM) monitors the 'A' Camshaft Profile Control Circuit Bank 1. The ECM sets the OBDII code when the 'A' Camshaft Profile Control Circuit Bank 1 is out of factory specifications.

P001B Code - 'A' Camshaft Profile Control Circuit Low Bank 1

What does this mean?

What are the Possible Causes of the DTC P001B?

Faulty 'A' Camshaft Position Sensor Bank 1
'A' Camshaft Position Sensor Bank 1 harness is open or shorted
'A' Camshaft Position Sensor Bank 1 circuit poor electrical connection
Engine Timing

How to Fix the DTC P001B?

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 P001B 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 P001B code?

Need more information on how to fix the P001B code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P001B 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 P001B Code

1. What are the common symptoms of OBDII code P001B?

- Common symptoms of code P001B include rough idling, poor engine performance, reduced fuel efficiency, and potential stalling or misfiring.

2. What does the "A" Camshaft Profile Control Circuit Low Bank 1 mean?

- The code P001B indicates that the engine control module has detected a low voltage condition in the "A" camshaft profile control circuit on bank 1.

3. What are the possible causes of OBDII code P001B?

- Possible causes of code P001B include a faulty camshaft position actuator, wiring issues in the camshaft profile control circuit, low engine oil pressure, or a malfunctioning engine control module.

4. How can I diagnose OBDII code P001B?

- Diagnosing code P001B typically involves using a scan tool to retrieve the code, inspecting the camshaft position actuator and wiring, checking oil levels and pressure, and performing a thorough visual inspection.

5. Can I still drive my vehicle with OBDII code P001B?

- It is not recommended to drive your vehicle with code P001B present, as it can lead to further engine damage and potential safety hazards. It's best to address the issue promptly.

6. How serious is OBDII code P001B?

- Code P001B should be taken seriously as it can impact engine performance and lead to more severe issues if left unresolved. Ignoring the code may result in costly repairs down the line.

7. How can I repair OBDII code P001B?

- Repairing code P001B may involve replacing the camshaft position actuator, repairing any damaged wiring, ensuring proper engine oil levels and pressure, or reprogramming the engine control module.

8. Will resetting the OBDII code P001B make it go away permanently?

- Simply resetting the code may temporarily clear the check engine light, but if the underlying issue causing code P001B is not addressed, the code is likely to reappear.

9. How much does it typically cost to fix OBDII code P001B?

- The cost of fixing code P001B can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can a DIY enthusiast repair OBDII code P001B?

- While some DIY enthusiasts may be able to address simpler causes of code P001B, such as checking wiring connections, more complex issues may require professional diagnosis and repair to ensure proper resolution.