AutoCodes – Generic – P064E

P064E Code - Internal Control Module O2 Sensor Processor Performance Bank 2

Quick Answer

The Powertrain Control Module (PCM) monitors the application-specific integrated circuit that controls and monitors the heated oxygen sensor (HO2S). Common causes include Faulty Powertrain Control Module (PCM), PCM harness is open or shorted, PCM 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: P064E indicates Internal Control Module O2 Sensor Processor Performance Bank 2.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), PCM harness is open or shorted, PCM 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 5,591

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 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P064E Description

The Powertrain Control Module (PCM) monitors the application-specific integrated circuit that controls and monitors the heated oxygen sensor (HO2S). The test fails when the PCM detects an internal circuit or communication concern.

OBDII Code P064E - Internal Control Module O2 Sensor Processor Performance Bank 2 - AutoCodes.com — P064E Code - Internal Control Module O2 Sensor Processor Performance Bank 2

What does this mean?

What are the Possible Causes of the DTC P064E?

Faulty Powertrain Control Module (PCM)
PCM harness is open or shorted
PCM circuit poor electrical connection

How to Fix the DTC P064E?

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 P064E 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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Information for Specific Makes

P064E Ford — Internal Control Module O2 Sensor Processor Performance Bank 2
P064E Lincoln — Internal Control Module O2 Sensor Processor Performance Bank 2
P064E Mazda — Internal Control Module O2 Sensor Processor Performance Bank 2
P064E Mercury — Internal Control Module O2 Sensor Processor Performance Bank 2

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.