P0658 2018 GMC Sierra Code - Actuator High Control Circuit Group 1 Low Voltage
Quick Answer
The P0658 diagnostic trouble code (DTC) in a 2018 GMC Sierra indicates an issue with the Actuator High Control Circuit Group 1 having low voltage. Common causes include Faulty wiring or connectors in the actuator control circuit, Malfunctioning actuator, Defective powertrain control module (PCM). 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
- P0658 2018 GMC Sierra indicates Actuator High Control Circuit Group 1 Low Voltage.
- Common causes
- Common causes include Faulty wiring or connectors in the actuator control circuit, Malfunctioning actuator, Defective powertrain control module (PCM).
- 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 P0658 2018 GMC Sierra Description
The P0658 diagnostic trouble code (DTC) in a 2018 GMC Sierra indicates an issue with the Actuator High Control Circuit Group 1 having low voltage. This code is specifically related to the actuator control circuit, which is responsible for controlling various components in the vehicle, such as the throttle, fuel injection, or transmission. When the voltage in this circuit drops below the specified range, it can lead to improper functioning of the actuator, affecting the vehicle's performance.
Common Causes of P0658 2018 GMC Sierra
- Faulty wiring or connectors in the actuator control circuit
- Malfunctioning actuator
- Defective powertrain control module (PCM)
- Issues with the vehicle's battery or charging system
Symptoms of P0658 2018 GMC Sierra
- Check Engine Light illuminated on the dashboard
- Reduced engine performance or acceleration
- Rough idling or stalling
- Decreased fuel efficiency
- Transmission shifting issues
How to Fix P0658 2018 GMC Sierra
- Perform a thorough inspection of the actuator control circuit, including wiring and connectors, to check for any damage or loose connections.
- Test the actuator to ensure it is functioning properly and replace it if necessary.
- Check the powertrain control module (PCM) for any faults or errors and reprogram or replace it as needed.
- Inspect the vehicle's battery and charging system to ensure they are providing the correct voltage to the actuator control circuit.
- Clear the DTC and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0658 2018 GMC Sierra
The typical repair costs for addressing a P0658 code in a 2018 GMC Sierra can vary depending on the specific cause of the issue. On average, the parts and labor for this repair could range from $200 to $500. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local shops for a more accurate estimate.
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