P0658 GMC Code - Actuator High Control Circuit Group 1 Low Voltage
Quick Answer
The Transmission Control Module (TCM) receives information from a variety of sensors, switches, and serial data information from other control modules. Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted. 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 GMC indicates Actuator High Control Circuit Group 1 Low Voltage.
- Common causes
- Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted.
- 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.
Code P0658 GMC Description
What are the Possible Causes of the DTC P0658 GMC?
- Faulty Transmission Control Solenoid Valve
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P0658 GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0658 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific GMC Models
- P0658 2014 GMC Sierra — Actuator High Control Circuit Group 1 Low Voltage
- P0658 2015 GMC Sierra — Actuator High Control Circuit Group 1 Low Voltage
- P0658 2016 GMC Sierra — Actuator High Control Circuit Group 1 Low Voltage
- P0658 2017 GMC Sierra — Actuator High Control Circuit Group 1 Low Voltage
- P0658 2018 GMC Sierra — Actuator High Control Circuit Group 1 Low Voltage
Frequently Asked Questions about P0658 GMC Code
What does OBDII code P0658 mean for a GMC vehicle?
Code P0658 indicates a low voltage condition in the Actuator High Control Circuit Group 1, which may affect the operation of certain actuators in the vehicle.
What are common symptoms of code P0658 in a GMC?
Symptoms may include illuminated check engine light, reduced engine performance, erratic shifting (in automatic transmissions), or malfunctioning actuators.
What causes code P0658 to appear in a GMC?
Common causes include damaged wiring or connectors in the actuator control circuit, a failed actuator, or a malfunctioning control module.
Can a bad control module trigger code P0658?
Yes, a faulty powertrain control module (PCM) or transmission control module (TCM) can cause this code if it fails to provide proper voltage to the actuator circuit.
How can I diagnose code P0658 in my GMC?
Start by inspecting the wiring and connectors in the affected circuit for damage or corrosion. Use a multimeter to check for proper voltage and continuity, and test the actuator for functionality.
Is it safe to drive a GMC with code P0658?
Driving with this code may result in reduced performance or drivability issues. It’s best to address the issue promptly to avoid further damage.
How do I fix code P0658 in a GMC vehicle?
Repairs may include replacing damaged wiring, connectors, or the actuator itself. In some cases, the control module may need reprogramming or replacement.
Can clearing the code solve P0658 permanently?
Clearing the code might temporarily turn off the check engine light, but the underlying issue must be repaired for the code not to return.
What tools are needed to fix code P0658 in a GMC?
Basic tools include a multimeter for electrical testing, an OBDII scanner, and possibly wiring repair tools. Some repairs may require specialized equipment for actuator or module replacement.
Does P0658 affect all GMC models the same way?
While the code is relevant across GMC vehicles, the specific actuators and circuits involved may vary depending on the model and year. Always consult the vehicle’s service manual for details.
Discuss the causes and fixes for P0658 GMC OBDII Code
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