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Engine-Codes – Chevrolet – P30B0 2019 Chevrolet Silverado

P30B0 2019 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 4 Circuit

Quick Answer

The P30B0 code indicates a problem with the Intake Camshaft Profile Actuator Position Sensor 4 circuit, which is crucial for the proper functioning of the variable camshaft timing system in Chevrolet vehicles. Common causes include Faulty Intake Camshaft Profile ActuatorIntake Camshaft Profile Actuator harness is open or shortedPoor electrical connection in the Intake Camshaft Profile Actuator circuitFaulty Engine Control Module (ECM)Contamination or mechanical wear affecting the actuator pin. 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
P30B0 2019 Chevrolet Silverado indicates Intake Camshaft Profile Actuator Position Sensor 4 Circuit.
Common causes
Common causes include Faulty Intake Camshaft Profile ActuatorIntake Camshaft Profile Actuator harness is open or shortedPoor electrical connection in the Intake Camshaft Profile Actuator circuitFaulty Engine Control Module (ECM)Contamination or mechanical wear affecting the actuator pin.
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.
What is this?
Table of contents Created and updated by William Orellana on May 30, 2026
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Code P30B0 2019 Chevrolet Silverado Description

The P30B0 code indicates a problem with the Intake Camshaft Profile Actuator Position Sensor 4 circuit, which is crucial for the proper functioning of the variable camshaft timing system in Chevrolet vehicles. This system allows the engine to optimize performance, fuel efficiency, and emissions by adjusting the camshaft profile according to driving conditions. The actuator position sensor is integrated into the actuator assembly and utilizes Hall-effect technology to monitor the position of the actuator pins. These pins control the camshaft profile sleeve, enabling the engine to switch between different profiles, such as high-lift for performance and low-lift for efficiency.
OBDII Code P30B0 2019 Chevrolet Silverado - Intake Camshaft Profile Actuator Position Sensor 4 Circuit
P30B0 2019 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 4 Circuit

Common Causes of P30B0 2019 Chevrolet Silverado

  1. Faulty Intake Camshaft Profile Actuator
  2. Intake Camshaft Profile Actuator harness is open or shorted
  3. Poor electrical connection in the Intake Camshaft Profile Actuator circuit
  4. Faulty Engine Control Module (ECM)
  5. Contamination or mechanical wear affecting the actuator pin

Symptoms of P30B0 2019 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine performance or power loss
  3. Decreased fuel efficiency
  4. Unusual engine noises, such as knocking or ticking
  5. Rough idling or stalling

How to Fix P30B0 2019 Chevrolet Silverado

  1. Perform a thorough diagnostic scan to confirm the P30B0 code and check for any related codes.
  2. Inspect the wiring and connectors associated with the Intake Camshaft Profile Actuator for damage or corrosion.
  3. Test the Intake Camshaft Profile Actuator and the position sensor for proper operation and replace if faulty.
  4. Check the ECM for any software updates or faults that may affect the actuator's performance.
  5. Clear the codes and conduct a road test to ensure the issue has been resolved and monitor for any reoccurrence.

Cost to Fix P30B0 2019 Chevrolet Silverado

The cost to diagnose and repair the P30B0 code can vary widely based on the specific issue and labor rates in your area. Typically, parts such as the Intake Camshaft Profile Actuator or the position sensor can range from $100 to $400. Labor costs may range from $80 to $150 per hour, depending on whether you visit a dealership or an independent shop. Overall, you can expect the total repair costs to fall between $200 and $800, depending on the extent of the repairs needed and the specific make and model of your vehicle.

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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.

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