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P007B OBD2: Charge Air Cooler Temperature Sensor Circuit

P007B OBD2: Charge Air Cooler Temperature Sensor Circuit

The OBD2 code P007B is related to the Charge Air Cooler Temperature Sensor Circuit. This code is triggered when the Powertrain Control Module (PCM) detects an issue with the temperature sensor that monitors the air temperature entering and exiting the charge air cooler assembly.

What Does the P007B Code Mean?

This code specifically indicates that the PCM has detected a problem with the Charge Air Cooler Temperature Sensor Circuit, which provides important data regarding the temperature of the air that is cooled by the charge air cooler before entering the engine.

What Causes the P007B Code?

Several factors can lead to the triggering of the P007B code, including:

  • Charge air temperature sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues related to the sensor

What Are the Symptoms of the P007B Code?

Symptoms associated with the P007B code may include:

  • Check Engine Light illuminated
  • Decreased engine performance
  • Increased emissions

How Serious Is the P007B Code?

The P007B code is of moderate severity. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is advisable to diagnose and address the issue within a reasonable timeframe to ensure optimal vehicle performance.

How to Diagnose the P007B Code

To properly diagnose the P007B code, a certified mechanic will typically perform the following steps:

  • Use an OBD-II scanner to confirm the presence of the code.
  • Inspect the Charge Air Cooler Temperature Sensor and its wiring for any visible damage.
  • Test the sensor’s electrical connections and resistance.
  • Check the PCM for faults or software updates.

Common Repairs for the P007B Code

Common repairs for the P007B code may include:

  • Replacing the Charge Air Cooler Temperature Sensor
  • Repairing or replacing damaged wiring or connectors
  • Updating or replacing the Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P007B Code?

The cost to fix the P007B code can vary widely based on the specific issue and labor rates, but generally, you can expect to pay between $100 to $600. This estimate includes diagnostic fees, parts, and labor.

Can I Fix the P007B Code Myself?

While some DIY mechanics may manage to replace the Charge Air Cooler Temperature Sensor or repair wiring issues, it is recommended to consult with a professional mechanic for proper diagnosis and repair, especially if you lack experience with automotive electrical systems.

About JC Landry

JC spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.

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