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Engine-Codes – Generic – P2670

P2670 Code - Actuator Supply Voltage 'B' Circuit Low

Quick Answer

The P2670 diagnostic trouble code (DTC) refers to an issue with the actuator supply voltage 'B' circuit being low. Common causes include Faulty actuator, Wiring harness or connector issues, Power supply module failure. 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
P2670 indicates Actuator Supply Voltage 'B' Circuit Low.
Common causes
Common causes include Faulty actuator, Wiring harness or connector issues, Power supply module failure.
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 Sep 07, 2024
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Code P2670 Description

The P2670 diagnostic trouble code (DTC) refers to an issue with the actuator supply voltage 'B' circuit being low. This code typically indicates that there is a problem with the voltage supply to an actuator within the vehicle's engine or transmission system. Actuators are responsible for controlling various components in the vehicle, such as the throttle body, variable valve timing system, or transmission shift solenoids, by converting electrical signals into mechanical movement.

OBDII Code P2670 - Actuator Supply Voltage 'B' Circuit Low
P2670 Code - Actuator Supply Voltage 'B' Circuit Low

Common Causes of P2670

  1. Faulty actuator
  2. Wiring harness or connector issues
  3. Power supply module failure
  4. Faulty engine control module (ECM)
  5. Corrosion or damage to electrical components

Symptoms of P2670

  1. Rough idling or engine stalling
  2. Poor acceleration or hesitation during acceleration
  3. Transmission shifting issues
  4. Reduced power or limp mode activation

How to Fix P2670

  1. Perform a visual inspection of the wiring harness and connectors for any signs of damage or corrosion.
  2. Check the actuator for proper operation and replace if necessary.
  3. Use a multimeter to test the voltage output of the power supply module and replace if voltage is below specifications.
  4. Clear the DTC and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, consult a professional mechanic for further diagnosis and repair.

Cost to Fix P2670

The repair costs for addressing a P2670 code can vary depending on the specific cause of the issue and the labor rates in your area. In general, the cost of parts for this repair could range from $100 to $300, while labor costs could add another $100 to $200 to the total bill. Keep in mind that rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to ensure a fair price for the repair.

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Code P2670 Information for Specific Makes

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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