[SOLVED] P102B Code: Exhaust Temperature Sensor – Diagnosis And Fix Guide

The automobile fault code P102B indicates a problem with the Exhaust Temperature Sensor. This can be identified by the Engine Light being ON or the Service Engine Soon Warning Light appearing.

The cause of this fault code could be a faulty Exhaust Temperature Sensor, an open or shorted sensor harness, or a poor electrical connection in the sensor circuit. To fix this issue, it is recommended to visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look for any broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this issue is estimated to be around 1.0 hour.

It is important to address this fault code promptly to prevent further damage to the vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to the p102b fault code.

  • The symptoms of the automobile fault code p102b include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p102b can be caused by a faulty exhaust temperature sensor, an open or shorted sensor harness, or a poor electrical connection in the sensor circuit.

  • The fault code P102B can be caused by a faulty exhaust temperature sensor, an open or shorted exhaust temperature sensor harness, or a poor electrical connection in the exhaust temperature sensor circuit.

To fix the automobile fault code p102b, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p102b, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p102b are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P102B fault code is related to the Exhaust Temperature Sensor in your vehicle. The Engine Control Module (ECM) keeps an eye on this sensor and triggers the code when it detects that the Exhaust Temperature Sensor is not functioning according to the factory specifications. This code is specifically labeled as P102B – Exhaust Temperature S.

When this fault code appears, it indicates that there may be an issue with the Exhaust Temperature Sensor in your vehicle.

It is important to address this issue promptly to ensure optimal performance and prevent any potential damage to your engine.

What are the possible causes of the automobile fault code P102B?

If you see the engine light or service engine soon warning light on, the fault code P102B could be the culprit. This code is often caused by a faulty exhaust temperature sensor, an open or shorted sensor harness, or a poor electrical connection in the sensor circuit. To fix the issue, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Also, look out for broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix the P102B fault code?

To fix the P102B fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify any issues with the exhaust temperature sensor or its circuit. Don’t forget to check the “Possible Causes” mentioned above for a comprehensive solution.

What should I look for when checking for damaged components and corroded connector pins to resolve the P102B fault code?

When resolving the P102B fault code, start by checking for damaged components and corroded connector pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any broken, bent, pushed out, or corroded pins. By doing this, you can identify any issues with the Exhaust Temperature Sensor or its circuit connection. This step is crucial in fixing the problem and getting the engine light or service engine soon warning light to turn off.

p102b error fault code explained

If your engine light is on, it could be due to a faulty exhaust temperature sensor or issues with the sensor’s wiring.

To fix this, visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins on the connectors.

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