P0659 2017 GMC Sierra Code - Actuator High Control Circuit Group 1 High Voltage
Quick Answer
The P0659 diagnostic trouble code (DTC) for the 2017 GMC Sierra indicates an issue with the Actuator High Control Circuit Group 1 High Voltage. Common causes include Short circuit in the wiring or connectors, Damaged wiring harness, Faulty actuator. 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 2017 GMC Sierra indicates Actuator High Control Circuit Group 1 High Voltage.
- Common causes
- Common causes include Short circuit in the wiring or connectors, Damaged wiring harness, Faulty actuator.
- 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 P0659 2017 GMC Sierra Description
The P0659 diagnostic trouble code (DTC) for the 2017 GMC Sierra indicates an issue with the Actuator High Control Circuit Group 1 High Voltage. In simpler terms, this code is signaling a problem with the electrical circuit that controls the actuator in the vehicle, resulting in a higher voltage than expected. The actuator is responsible for controlling various components in the vehicle, such as the throttle, fuel injection, or exhaust gas recirculation (EGR) valve.
Common Causes of P0659 2017 GMC Sierra
- Short circuit in the wiring or connectors
- Damaged wiring harness
- Faulty actuator
- Issues with the vehicle's control module
- Corrosion or poor electrical connections
Symptoms of P0659 2017 GMC Sierra
- Rough idling or engine misfires
- Decreased fuel efficiency
- Poor acceleration or lack of power
- Stalling or difficulty starting the vehicle
- Illumination of the check engine light
How to Fix P0659 2017 GMC Sierra
- Begin by conducting a thorough visual inspection of the wiring, connectors, and actuator for any signs of damage or corrosion.
- Use a multimeter to test the voltage in the actuator control circuit to determine if it is within the expected range.
- If the voltage is high, check for shorts in the wiring and connectors, repairing or replacing any damaged components as necessary.
- Test the actuator itself to ensure it is functioning correctly, replacing it if a fault is detected.
- Clear the DTC from the vehicle's computer memory and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0659 2017 GMC Sierra
The typical repair costs for addressing a P0659 DTC in a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts for this repair could range from $100 to $300, while labor costs could amount to $100 to $200. It's essential to keep in mind that diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about P0659 2017 GMC Sierra Code
What does the OBDII code P0659 mean on a 2017 GMC Sierra?
1. P0659 indicates a high voltage condition in the Actuator Control Circuit Group 1, which could involve various actuators in the vehicle’s control system. 2.
What are common symptoms of the P0659 code on a 2017 GMC Sierra?
Symptoms may include the check engine light turning on, reduced power mode, poor engine performance, or unresponsive actuators like throttle or turbo controls. 3.
What causes the P0659 code to appear on a 2017 GMC Sierra?
Typical causes include faulty actuators, damaged wiring or connectors, a short to voltage in the circuit, or a malfunctioning powertrain control module (PCM). 4.
Can I drive my 2017 GMC Sierra with the P0659 code active?
While it may be possible to drive, it’s not recommended, as the issue could lead to reduced performance or further damage to the vehicle’s systems. 5.
How do I diagnose the P0659 code on a 2017 GMC Sierra?
Diagnosis involves using a diagnostic scanner, inspecting wiring and connectors for damage, testing the actuator for faults, and checking for possible shorts or open circuits. 6.
What tools are needed to troubleshoot the P0659 code on a 2017 GMC Sierra?
A diagnostic scanner, a multimeter to test voltage and continuity, and potentially a wiring diagram for the Actuator Control Circuit Group 1. 7.
How can I fix the P0659 code on my 2017 GMC Sierra?
Repairs may involve replacing a faulty actuator, repairing or replacing damaged wiring or connectors, or, in rare cases, reprogramming or replacing the PCM. 8.
Is the P0659 code specific to any actuator in the 2017 GMC Sierra?
No, it refers to a group of actuators in Control Circuit Group 1, so identifying the specific actuator requires diagnosis. 9.
How much does it cost to fix the P0659 code on a 2017 GMC Sierra?
Repair costs can vary widely depending on the root cause but typically range from $100 for minor wiring repairs to $1,000 or more if the PCM or actuator needs replacement. 10.
Can a low battery cause the P0659 code on a 2017 GMC Sierra?
While unlikely, electrical issues such as a weak battery or poor connections could contribute to voltage irregularities, so checking the battery is a good step.
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