AutoCodes – Cadillac – P1E48 Cadillac

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

Quick Answer

The 14 V power module, also called the accessory DC power control module, constantly monitors system temperature to protect against overheat conditions. Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power Module harness is open or shorted. 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 Cadillac indicates 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit .
Common causes: Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power Module harness is open or shorted.
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.

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Code Popularity 791

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E48 Cadillac Description

The 14 V power module, also called the accessory DC power control module, constantly monitors system temperature to protect against overheat conditions. The module also monitors the function of the temperature sensors. These sensors are internal to the 14 V power module and are not serviced separately from the control module.
The 14 V power module is an air cooled component. The 14 V power module vent fan is controlled by the hybrid powertrain control module 2.

OBDII Code P1E48 Cadillac - 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit - AutoCodes.com — P1E48 Cadillac Code - 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit

What does this mean?

What are the Possible Causes of the DTC P1E48 Cadillac?

Program 14 V Power Module
Faulty 14 V Power Module
14 V Power Module harness is open or shorted
14 V Power Module circuit poor electrical connection

How to Fix the DTC P1E48 Cadillac?

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 P1E48 Cadillac 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 P1E48 Cadillac code?

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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 Cadillac Code

1. What are common symptoms of OBDII code P1E48 in a Cadillac related to the 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit?

- Common symptoms include illuminated check engine light, reduced engine performance, and potential overheating issues.

2. What could cause OBDII code P1E48 to trigger in a Cadillac?

- The code P1E48 may be triggered by a faulty 14 Volt Power Module Temperature Sensor 2 or issues with the high temperature sensing circuit.

3. How can I diagnose the issue causing OBDII code P1E48 in my Cadillac?

- Diagnose the problem by using an OBDII scanner to read the code, inspecting the wiring for any damage, and testing the temperature sensor for proper functionality.

4. What are the repair options for OBDII code P1E48 in a Cadillac?

- Repair options include replacing the faulty 14 Volt Power Module Temperature Sensor 2, repairing any damaged wiring, or resetting the code after fixing the issue.

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

- It is not recommended to drive with the code present, as it can lead to further damage to the vehicle and potential safety hazards.

6. Can I reset OBDII code P1E48 in my Cadillac without fixing the underlying issue?

- While you can reset the code temporarily, it is important to address the root cause to prevent further problems and ensure the vehicle operates correctly.

7. How much does it typically cost to repair OBDII code P1E48 in a Cadillac?

- The cost of repairing OBDII code P1E48 can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

8. Are there any preventive maintenance tips to avoid OBDII code P1E48 in a Cadillac?

- Regularly inspecting and maintaining the vehicle's electrical system, including temperature sensors, can help prevent issues that may trigger code P1E48.

9. Can a DIY enthusiast fix OBDII code P1E48 in a Cadillac, or is it best left to professionals?

- Depending on your skills and experience with automotive repairs, fixing OBDII code P1E48 may be possible as a DIY project, but professional assistance is recommended for accurate diagnosis and repair.

10. How long does it typically take to repair OBDII code P1E48 in a Cadillac?

- The repair time for OBDII code P1E48 can vary based on the extent of the issue, but it may take anywhere from 1 to 3 hours to complete the repair process.