P007D 2018 GMC Sierra Code - Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
Quick Answer
The Charge Air Cooler (CAC) Temperature Sensor 1 is a variable resistor. Common causes include Faulty Charge Air Cooler (CAC) Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler Temperature Sensor circuit poor electrical connection. 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
- P007D 2018 GMC Sierra indicates Charge Air Cooler Temperature Sensor 1 Circuit High Voltage.
- Common causes
- Common causes include Faulty Charge Air Cooler (CAC) Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler Temperature Sensor circuit poor electrical connection.
- 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 P007D 2018 GMC Sierra Description
What are the Possible Causes of the DTC P007D 2018 GMC Sierra?
- Faulty Charge Air Cooler (CAC) Temperature Sensor
- Charge Air Cooler Temperature Sensor harness is open or shorted
- Charge Air Cooler Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P007D 2018 GMC Sierra?
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 P007D 2018 GMC Sierra 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.
Need more information about the P007D 2018 GMC Sierra code?
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Frequently Asked Questions about P007D 2018 GMC Sierra Code
1. What does the OBDII code P007D mean on a 2018 GMC Sierra?
P007D indicates that the Charge Air Cooler Temperature Sensor 1 is reporting a high voltage condition, which typically means the sensor or its circuit is malfunctioning.
2. What are the symptoms of the P007D code in a 2018 GMC Sierra?
Symptoms may include poor engine performance, reduced fuel efficiency, illuminated check engine light, or erratic transmission shifting.
3. What causes the P007D code on a 2018 GMC Sierra?
Common causes include a faulty Charge Air Cooler Temperature Sensor, damaged wiring or connectors, or a malfunctioning powertrain control module (PCM).
4. Can I drive my 2018 GMC Sierra with a P007D code?
While the vehicle may still be drivable, it’s not recommended as it could lead to further damage or reduced performance due to improper air-fuel mixture or turbocharger inefficiency.
5. How do I diagnose the P007D code on a 2018 GMC Sierra?
Diagnosis involves checking the sensor’s wiring and connectors for damage, testing the sensor with a multimeter, and verifying voltage and ground signals.
6. How do I fix the P007D code on a 2018 GMC Sierra?
Repairs may include replacing the Charge Air Cooler Temperature Sensor, repairing or replacing damaged wiring, or reprogramming the PCM if necessary.
7. What tools do I need to fix the P007D code?
You’ll need an OBDII scanner, a multimeter, and potentially wiring repair tools to diagnose and address the issue.
8. How much does it cost to repair the P007D code on a 2018 GMC Sierra?
Repair costs can range from $100 to $300 depending on whether the sensor needs replacement or if there are wiring issues.
9. Can a dirty or clogged charge air cooler cause the P007D code?
No, the P007D code specifically relates to the sensor circuit, not the physical condition of the charge air cooler.
10. Will clearing the P007D code with a scanner fix the issue?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
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