Engine-CodesGeneric – P007D

P007D Code - Charge Air Cooler Temperature Sensor 1 Circuit High Voltage

Quick Answer

The P007D diagnostic trouble code (DTC) refers to an issue with the Charge Air Cooler Temperature Sensor 1 Circuit registering a high voltage. Common causes include Faulty Sensor: The charge air cooler temperature sensor may be defective or damaged, leading to incorrect voltage readings, Wiring Issues: Corrosion, loose connections, or damaged wiring harnesses can disrupt the signal between the sensor and the ECU, ECU Malfunction: An issue with the engine control unit can result in misinterpretation of the sensor data, triggering the high voltage code. 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 indicates Charge Air Cooler Temperature Sensor 1 Circuit High Voltage.
Common causes
Common causes include Faulty Sensor: The charge air cooler temperature sensor may be defective or damaged, leading to incorrect voltage readings, Wiring Issues: Corrosion, loose connections, or damaged wiring harnesses can disrupt the signal between the sensor and the ECU, ECU Malfunction: An issue with the engine control unit can result in misinterpretation of the sensor data, triggering the high voltage code.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P007D Description

The P007D diagnostic trouble code (DTC) refers to an issue with the Charge Air Cooler Temperature Sensor 1 Circuit registering a high voltage. The charge air cooler temperature sensor is responsible for monitoring the temperature of the air entering the engine's intake system. This information is crucial for the engine control unit (ECU) to make adjustments to the air-fuel mixture and optimize performance.

OBDII Code P007D - Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
P007D Code - Charge Air Cooler Temperature Sensor 1 Circuit High Voltage

Common Causes of P007D

  1. Faulty Sensor: The charge air cooler temperature sensor may be defective or damaged, leading to incorrect voltage readings.
  2. Wiring Issues: Corrosion, loose connections, or damaged wiring harnesses can disrupt the signal between the sensor and the ECU.
  3. ECU Malfunction: An issue with the engine control unit can result in misinterpretation of the sensor data, triggering the high voltage code.
  4. Environmental Factors: Exposure to extreme temperatures, moisture, or debris can affect the sensor's performance.
  5. Other Electrical Problems: Issues with other components in the circuit, such as fuses or relays, can also trigger this DTC.

Symptoms of P007D

  1. Check Engine Light: The most common symptom associated with this DTC is the illumination of the check engine light on the dashboard.
  2. Decreased Fuel Efficiency: A faulty charge air cooler temperature sensor can lead to incorrect air-fuel mixture adjustments, resulting in decreased fuel efficiency.
  3. Engine Performance Issues: The vehicle may experience a lack of power, hesitation, or rough idling due to incorrect temperature readings.
  4. Overheating: In severe cases, the engine may overheat due to the ECU not receiving accurate temperature readings from the sensor.

How to Fix P007D

  1. Diagnose the Issue: Use an OBD-II scanner to retrieve the DTC and determine the specific cause of the high voltage reading.
  2. Inspect Sensor and Wiring: Check the charge air cooler temperature sensor for any visible damage and inspect the wiring for faults or corrosion.
  3. Replace Sensor: If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  4. Repair Wiring: Repair or replace any damaged wiring in the circuit to ensure a secure connection between the sensor and the ECU.
  5. Clear Codes and Test: After completing the repair, clear the DTCs from the ECU's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P007D

The cost of repairing a charge air cooler temperature sensor issue can vary depending on the extent of the problem and the vehicle's make and model. In general, replacing the sensor itself can range from $50 to $200, while labor costs can add an additional $100 to $200. Overall, the total repair cost for addressing a P007D DTC may fall between $150 and $400. It's essential to consult with a reputable auto repair shop for a more accurate estimate based on your specific circumstances. Keep in mind that diagnostic time and labor rates can fluctuate, so it's advisable to inquire about these factors before proceeding with the repair.

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Code P007D Information for Specific Makes

  • P007D Buick — Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
  • P007D Cadillac — Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
  • P007D Chevrolet — Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
  • P007D Ford — Charge Air Cooler Temperature Sensor Circuit High Bank 1
  • P007D GMC — Charge Air Cooler Temperature Sensor 1 Circuit High Voltage
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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