AutoCodes – Chevrolet – P1E47 Chevrolet

P1E47 Chevrolet 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 Chevrolet 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 1,052

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 P1E47 Chevrolet 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 Chevrolet - 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature - AutoCodes.com — P1E47 Chevrolet Code - 14 Volt Power Module Temperature Sensor 1 Circuit High Temperature

What does this mean?

What are the Possible Causes of the DTC P1E47 Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

Need more information on how to fix the P1E47 Chevrolet code? Get Access to Factory Service Manuals

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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 Chevrolet Code

What does the OBDII code P1E47 mean on a Chevrolet?

The code P1E47 indicates an issue with the 14 Volt Power Module Temperature Sensor 1, specifically that the sensor is detecting a high temperature beyond its normal range.

What are the common symptoms of P1E47 in a Chevrolet?

Common symptoms include the check engine light turning on, reduced performance of the electrical system, overheating issues, and possible warning messages related to the battery or power module.

What causes the P1E47 code to appear?

The code is typically caused by a malfunctioning temperature sensor, wiring issues such as shorts or open circuits, or an actual overheating condition in the 14-volt power module.

Can driving with the P1E47 code cause damage?

Yes, ignoring the code can lead to further damage to the 14-volt power module or related electrical components due to prolonged overheating.

How do you diagnose the P1E47 code on a Chevrolet?

Diagnosis involves scanning for the code with an OBDII scanner, inspecting the temperature sensor and its wiring, and checking for signs of overheating or damage in the 14-volt power module.

Can the P1E47 code be caused by a faulty battery?

While rare, a failing battery or charging system issue could indirectly contribute to the code by creating electrical stress on the power module.

How is the P1E47 code typically repaired?

Repairs may include replacing the faulty temperature sensor, repairing or replacing damaged wiring, ensuring proper cooling of the power module, or addressing any underlying overheating issues.

What tools are needed to fix the P1E47 code?

Basic tools include an OBDII scanner, a multimeter for testing circuits, and possibly a temperature sensor replacement part or wiring repair kit.

How much does it cost to fix the P1E47 code on a Chevrolet?

Repair costs vary, but replacing the temperature sensor typically costs $100-$300, including parts and labor. Wiring repairs or module replacements may cost more.

Can the P1E47 code resolve itself?

Unlikely. While the code might clear temporarily if the conditions improve, the underlying issue will likely persist and require proper diagnosis and repair.