AutoCodes – Generic – P0A2A

P0A2A Code - Drive Motor 'A' Temperature Sensor Circuit

Quick Answer

The Engine Control Module (ECM) monitors the Hybrid Battery. Common causes include Faulty Drive Motor 'A' Temperature Sensor, Drive Motor 'A' Temperature Sensor harness is open or shorted, Drive Motor 'A' Temperature Sensor circuit poor electrical connection. 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: P0A2A indicates Drive Motor 'A' Temperature Sensor Circuit.
Common causes: Common causes include Faulty Drive Motor 'A' Temperature Sensor, Drive Motor 'A' Temperature Sensor harness is open or shorted, Drive Motor 'A' Temperature Sensor circuit poor electrical connection.
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 2,867

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
Comments
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Code P0A2A Description

The Engine Control Module (ECM) monitors the Hybrid Battery. The ECM sets the OBDII code when the Hybrid Battery is not to factory specifications.

OBDII Code P0A2A - Drive Motor 'A' Temperature Sensor Circuit - AutoCodes.com — P0A2A Code - Drive Motor 'A' Temperature Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P0A2A?

Faulty Drive Motor 'A' Temperature Sensor
Drive Motor 'A' Temperature Sensor harness is open or shorted
Drive Motor 'A' Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0A2A?

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 P0A2A 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.