P007C 2017 GMC Sierra Code - Charge Air Cooler Temperature Sensor 1 Circuit Low Voltage
Quick Answer
The P007C diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Charge Air Cooler Temperature Sensor 1 Circuit registering a low voltage. Common causes include Faulty Charge Air Cooler Temperature Sensor, Wiring or connector issues in the sensor circuit, ECM software malfunction. 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
- P007C 2017 GMC Sierra indicates Charge Air Cooler Temperature Sensor 1 Circuit Low Voltage.
- Common causes
- Common causes include Faulty Charge Air Cooler Temperature Sensor, Wiring or connector issues in the sensor circuit, ECM software malfunction.
- 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 P007C 2017 GMC Sierra Description
The P007C diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Charge Air Cooler Temperature Sensor 1 Circuit registering a low voltage. The Charge Air Cooler (CAC) is an essential component of the vehicle's turbocharged system, responsible for cooling the compressed air before it enters the engine. The temperature sensor monitors the temperature of the air passing through the CAC and sends this information to the engine control module (ECM).
Common Causes of P007C 2017 GMC Sierra
- Faulty Charge Air Cooler Temperature Sensor
- Wiring or connector issues in the sensor circuit
- ECM software malfunction
- Electrical system issues
- Poor connections or grounds
Symptoms of P007C 2017 GMC Sierra
- Reduced engine power
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Check Engine Light illuminated
How to Fix P007C 2017 GMC Sierra
- Begin by conducting a visual inspection of the wiring and connectors associated with the Charge Air Cooler Temperature Sensor. Look for any signs of damage, corrosion, or loose connections.
- Test the sensor using a multimeter to check for proper resistance values. If the sensor is out of specification, it will need to be replaced.
- Check the wiring harness for continuity and repair any damaged wires or connectors.
- Clear the DTC using a diagnostic scan tool and test drive the vehicle to ensure the code does not return.
- If the issue persists, further diagnostics may be required to pinpoint the exact cause, such as testing the ECM or checking for any underlying electrical issues.
Cost to Fix P007C 2017 GMC Sierra
The cost of repairing a P007C code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty Charge Air Cooler Temperature Sensor can cost between $50 to $150 for the part, with additional labor costs ranging from $100 to $200. However, if the problem is related to wiring or electrical issues, the repair costs may increase. It's recommended to consult with a qualified mechanic or dealership to get an accurate estimate based on the specific diagnosis and repair needed. Keep in mind that labor rates can vary between different repair shops and locations.
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Frequently Asked Questions about P007C 2017 GMC Sierra Code
What does OBDII code P007C mean for a 2017 GMC Sierra?
OBDII code P007C indicates a low voltage reading from the Charge Air Cooler Temperature Sensor 1 circuit, which monitors the temperature of the air entering the engine.
What are the common symptoms of a P007C code?
Common symptoms include poor engine performance, reduced fuel efficiency, check engine light activation, and possible overheating of the engine.
What could cause the P007C code to trigger?
Potential causes include a faulty charge air cooler temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module (ECM).
How can I diagnose a P007C code?
To diagnose a P007C code, start by inspecting the wiring and connectors for damage, test the sensor's resistance and voltage output, and check for other related trouble codes.
Is it safe to drive with a P007C code?
While it may be safe to drive short distances, it is advisable to address the issue promptly to avoid potential engine performance problems or damage.
What repairs are recommended for a P007C code?
Repairs may include replacing the charge air cooler temperature sensor, repairing any damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.
Can I reset the check engine light after fixing the P007C code?
Yes, after repairing the issue, you can reset the check engine light using an OBDII scanner. The light should stay off if the problem is resolved.
How much does it typically cost to fix a P007C code?
Repair costs can vary widely, typically ranging from $100 to $400, depending on whether the issue is a simple wiring fix or requires replacing the sensor.
Will clearing the P007C code fix the underlying problem?
No, clearing the code will only turn off the check engine light. The underlying issue must be repaired to prevent the code from reappearing.
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