AutoCodes – Lexus – P0A92 Lexus

P0A92 Lexus Code - Hybrid Generator Performance

Quick Answer

The HV control ECU monitors the energy balance of the hybrid vehicle generator (MG1) system. Common causes include Faulty Battery current sensor, Faulty Hybrid vehicle generator. 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: P0A92 Lexus indicates Hybrid Generator Performance.
Common causes: Common causes include Faulty Battery current sensor, Faulty Hybrid vehicle generator.
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 2,412

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 Dec 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P0A92 Lexus Description

The HV control ECU monitors the energy balance of the hybrid vehicle generator (MG1) system. If the HV control ECU detects a malfunction in the amount of electrical energy while the MG1 charges or discharges electricity, it illuminates the MIL and sets a Diagnostic Trouble Code (DTC).

OBDII Code P0A92 Lexus - Hybrid Generator Performance - AutoCodes.com — P0A92 Lexus Code - Hybrid Generator Performance

What does this mean?

What are the Possible Causes of the DTC P0A92 Lexus?

Faulty Battery current sensor
Faulty Hybrid vehicle generator

How to Fix the DTC P0A92 Lexus?

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 P0A92 Lexus 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 P0A92 Lexus 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.