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Engine-Codes – Generic – P1E48

P1E48 Code - 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit

Quick Answer

The P1E48 code refers to the 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit. Common causes include Faulty temperature sensor 2 in the 14-volt power module, Wiring issues, such as a short circuit or open circuit in the sensor circuit, High ambient temperatures causing the sensor to read inaccurately. 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
P1E48 indicates 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit .
Common causes
Common causes include Faulty temperature sensor 2 in the 14-volt power module, Wiring issues, such as a short circuit or open circuit in the sensor circuit, High ambient temperatures causing the sensor to read inaccurately.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1E48 Description

The P1E48 code refers to the 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit. This code indicates that there is a problem with the temperature sensor 2 in the 14-volt power module, specifically that it is detecting a high temperature. The 14-volt power module is a crucial component of the vehicle's electrical system, responsible for regulating the voltage supplied to various systems and components. The temperature sensor is designed to monitor the temperature of the module to prevent overheating and potential damage.

OBDII Code P1E48 - 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
P1E48 Code - 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit

Common Causes of P1E48

  1. Faulty temperature sensor 2 in the 14-volt power module.
  2. Wiring issues, such as a short circuit or open circuit in the sensor circuit.
  3. High ambient temperatures causing the sensor to read inaccurately.
  4. Internal failure in the 14-volt power module.
  5. Corrosion or damage to the sensor or wiring connections.

Symptoms of P1E48

  1. Check engine light is illuminated on the dashboard.
  2. Erratic voltage output to electrical components.
  3. Engine performance issues, such as stalling or rough idling.
  4. Electrical system malfunctions, such as power windows or lights not working properly.
  5. Overheating of the power module or surrounding components.

How to Fix P1E48

  1. Begin by diagnosing the root cause of the issue using a diagnostic scanner to retrieve the specific fault code.
  2. Inspect the temperature sensor 2 and its wiring connections for any signs of damage or corrosion.
  3. Test the sensor's resistance and voltage output to determine if it is functioning correctly.
  4. Replace the temperature sensor 2 if it is found to be faulty.
  5. Clear the fault code from the vehicle's computer and monitor the system for any reoccurrence of the issue.

Cost to Fix P1E48

The cost of repairing a P1E48 code can vary depending on the specific cause of the issue and the extent of the repairs needed. Generally, replacing a temperature sensor 2 in the 14-volt power module can range from $100 to $300, including parts and labor. However, additional diagnostic time and labor costs may apply, so it is advisable to consult with a professional mechanic for a more accurate estimate based on the vehicle's make and model. Keep in mind that labor rates at auto repair shops can vary, so it's recommended to compare prices and services before proceeding with the repairs.

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Code P1E48 Information for Specific Makes

  • P1E48 Acura — Slave Cylinder Drive Motor Current Malfunction Offset
  • P1E48 Buick — 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
  • P1E48 Cadillac — 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
  • P1E48 Chevrolet — 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
  • P1E48 GMC — 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
  • P1E48 Honda — Slave Cylinder Drive Motor Current Malfunction Offset
  • P1E48 Saturn — 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit
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.

Frequently Asked Questions about P1E48 Code

1. What are the common symptoms of OBDII code P1E48?

- Common symptoms include the check engine light being illuminated, decreased fuel efficiency, and potential issues with vehicle performance.

2. What does the 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit refer to in relation to code P1E48?

- This refers to a specific sensor in the vehicle's power module that is detecting high temperature levels, triggering the code P1E48.

3. What are possible causes of OBDII code P1E48?

- Possible causes include a faulty temperature sensor, wiring issues, a malfunctioning power module, or high operating temperatures in the vehicle's system.

4. How can I diagnose the source of OBDII code P1E48?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the code, checking the temperature sensor's readings, inspecting wiring for damage, and testing the power module.

5. Is it safe to continue driving with OBDII code P1E48 present?

- It is not recommended to continue driving with this code present, as it can lead to potential damage to the vehicle's components and decreased performance.

6. How can I repair OBDII code P1E48?

- Repairing this code often involves replacing the faulty temperature sensor, repairing any damaged wiring, addressing issues with the power module, and clearing the code with a diagnostic scanner.

7. Can I reset OBDII code P1E48 without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the underlying problem to prevent the code from reoccurring and potentially causing further damage.

8. Are there any DIY tips for troubleshooting OBDII code P1E48?

- DIY tips include checking the temperature sensor connections, inspecting wiring for visible damage, ensuring proper power module functionality, and consulting the vehicle's manual for specific details.

9. How much does it typically cost to repair OBDII code P1E48 at a mechanic or dealership?

- Repair costs for this code can vary depending on the extent of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can extreme weather conditions affect the triggering of OBDII code P1E48?

- Yes, extreme heat or cold conditions can potentially impact the temperature readings of the sensor, leading to the triggering of code P1E48.

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