AutoCodesBuick – P1E47 Buick

P1E47 Buick Code - 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature

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
P1E47 Buick indicates 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature.
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 717
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 23, 2020
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Code P1E47 Buick 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 P1E47 Buick - 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature - AutoCodes.com
P1E47 Buick Code - 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature

What are the Possible Causes of the DTC P1E47 Buick?

  • 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 P1E47 Buick?

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 P1E47 Buick 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 P1E47 Buick 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 P1E47 Buick Code

What does OBDII code P1E47 mean on a Buick?

Code P1E47 indicates that the 14 Volt Power Module Temperature Sensor 1 has detected a high temperature reading, which may point to an issue with the sensor or the power module itself.

What are the common symptoms of code P1E47?

Common symptoms include illuminated check engine light, reduced fuel efficiency, potential electrical system malfunctions, and possible overheating of the 14-volt power module.

What causes code P1E47 to trigger?

This code is often caused by a faulty temperature sensor, wiring issues such as shorts or open circuits, or an overheating 14-volt power module due to excessive electrical demand or poor ventilation.

Can I drive my Buick with a P1E47 code?

Driving with this code is not recommended, as it could lead to further damage to the electrical system or cause the power module to overheat, potentially resulting in vehicle performance issues.

How do I diagnose the P1E47 code?

Start by scanning for trouble codes, inspecting the temperature sensor and its wiring for damage, and verifying the 14-volt power module's condition and temperature readings.

What tools are needed to fix the P1E47 code?

You may need an OBDII scanner, a multimeter to test wiring, and basic hand tools for accessing and replacing components like the temperature sensor.

How is the P1E47 code repaired?

Repairs typically involve replacing the faulty temperature sensor, repairing damaged wiring or connectors, or addressing overheating issues with the 14-volt power module.

How much does it cost to fix a P1E47 code?

Repair costs vary but typically include $50–$150 for a new temperature sensor and additional labor costs if professional diagnosis and repairs are needed.

Can a software issue cause the P1E47 code?

While rare, a software issue in the vehicle's powertrain control module (PCM) could potentially cause incorrect temperature readings and trigger this code.

How can I prevent the P1E47 code from appearing again?

Regular maintenance, keeping electrical components clean, ensuring proper ventilation for the power module, and avoiding excessive electrical loads can help prevent this code from recurring.

Discuss the causes and fixes for P1E47 Buick OBDII Code

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