AutoCodes – Mercury – P0A3E Mercury

P0A3E Mercury Code - Generator Inverter Over Temperature

Quick Answer

Indicates the generator motor inverter all 3 temperature sensors experienced an over temperature condition Common causes include Faulty transaxle, Faulty Transmission Control Module, Vehicle has been driven beyond its design specification. 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: P0A3E Mercury indicates Generator Inverter Over Temperature.
Common causes: Common causes include Faulty transaxle, Faulty Transmission Control Module, Vehicle has been driven beyond its design specification.
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 1,850

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 May 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P0A3E Mercury Description

Indicates the generator motor inverter all 3 temperature sensors experienced an over temperature condition

OBDII Code P0A3E Mercury - Generator Inverter Over Temperature - AutoCodes.com — P0A3E Mercury Code - Generator Inverter Over Temperature

What does this mean?

What are the Possible Causes of the DTC P0A3E Mercury?

Faulty transaxle
Faulty Transmission Control Module
Vehicle has been driven beyond its design specification
Motor electronics cooling system probloems

How to Fix the DTC P0A3E Mercury?

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 P0A3E Mercury 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.

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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.