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P0659 Chevrolet Code - Actuator High Control Circuit Group 1 High Voltage

Quick Answer

The P0659 Chevrolet code indicates a problem with the Actuator High Control Circuit Group 1 High Voltage. Common causes include Faulty actuator, Wiring issues, Malfunctioning engine control module (ECM). 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
P0659 Chevrolet indicates Actuator High Control Circuit Group 1 High Voltage.
Common causes
Common causes include Faulty actuator, Wiring issues, Malfunctioning engine control module (ECM).
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 06, 2024
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Code P0659 Chevrolet Description

The P0659 Chevrolet code indicates a problem with the Actuator High Control Circuit Group 1 High Voltage. This means that there is a high voltage condition detected in the control circuit of actuator group 1. The actuator is responsible for controlling various components in the vehicle, such as the throttle, variable valve timing, or other engine systems. When this code is triggered, it can affect the performance of the vehicle by causing issues such as rough idling, poor acceleration, or even stalling.

OBDII Code P0659 Chevrolet - Actuator High Control Circuit Group 1 High Voltage
P0659 Chevrolet Code - Actuator High Control Circuit Group 1 High Voltage

Common Causes of P0659 Chevrolet

  1. Faulty actuator
  2. Wiring issues
  3. Malfunctioning engine control module (ECM)
  4. Short circuit in the control circuit
  5. Corrosion in electrical connections

Symptoms of P0659 Chevrolet

  1. Rough idling
  2. Poor acceleration
  3. Stalling
  4. Check engine light illuminated
  5. Reduced fuel efficiency

How to Fix P0659 Chevrolet

  1. Use a diagnostic scanner to read the code and identify the specific component causing the issue.
  2. Inspect the wiring and electrical connections for any damage or corrosion.
  3. Test the actuator for proper functioning and replace if necessary.
  4. Check the engine control module (ECM) for any faults and replace if needed.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0659 Chevrolet

The typical repair costs for resolving the P0659 Chevrolet code can vary depending on the specific issue causing the high voltage condition. However, on average, the repair costs for this type of issue can range from $200 to $500, including parts and labor. It is important to note that the actual cost may vary based on the location, vehicle make and model, and the extent of the repairs needed. Additionally, diagnostic time and labor rates at auto repair shops can also impact the final cost, so it is recommended to inquire about these factors when seeking repairs for this code.

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Information for Specific Chevrolet Models

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 P0659 Chevrolet Code

1. What does the OBDII code P0659 mean on a Chevrolet?

P0659 indicates that the powertrain control module (PCM) has detected a high voltage condition in the actuator control circuit for Group 1.

2. What are the common symptoms of code P0659 in a Chevrolet?

Symptoms may include difficulty starting the vehicle, erratic engine performance, reduced power, or activation of the check engine light.

3. What causes the P0659 code to appear on a Chevrolet?

Common causes include a shorted actuator control circuit, damaged wiring or connectors, a faulty PCM, or a malfunctioning actuator.

4. How do you diagnose the P0659 code on a Chevrolet?

Diagnosis involves scanning for additional codes, inspecting the actuator control circuit wiring and connectors, testing the actuator itself, and verifying PCM functionality.

5. Can a faulty actuator trigger the P0659 code on a Chevrolet?

Yes, a malfunctioning actuator can cause a high voltage condition, leading to the P0659 code.

6. Is it safe to drive with a P0659 code on a Chevrolet?

Driving with this code can lead to poor engine performance and may cause further damage, so it’s recommended to address the issue promptly.

7. What tools are needed to troubleshoot the P0659 code on a Chevrolet?

You’ll need an OBDII scanner, a multimeter, and possibly wiring diagrams to diagnose the issue.

8. How can you fix the P0659 code on a Chevrolet?

Repairs may involve replacing damaged wiring, repairing or replacing connectors, replacing the actuator, or reprogramming or replacing the PCM.

9. Can a software issue cause the P0659 code on a Chevrolet?

Yes, a software glitch in the PCM could potentially lead to this code and may require a software update or reprogramming.

10. What is the cost to repair a P0659 code on a Chevrolet?

Repair costs vary depending on the root cause but can range from $50 for simple wiring repairs to $1,000 or more if the PCM or actuator needs replacement.

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