AutoCodes – Generic – P00A4

P00A4 Code - Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Charge Air Cooler Temperature Sensor for concerns. Common causes include Faulty Charge Air Cooler Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler 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
P00A4 indicates Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2.
Common causes
Common causes include Faulty Charge Air Cooler Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler 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 3,098
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 09, 2019
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Code P00A4 Description

The Powertrain Control Module (PCM) continuously monitors the Charge Air Cooler Temperature Sensor for concerns. The OBDII code is set when the Charge Air Cooler Temperature Sensor is out of factory specifications.
OBDII Code P00A4 - Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2 - AutoCodes.com
P00A4 Code - Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2

What are the Possible Causes of the DTC P00A4?

  • Faulty Charge Air Cooler Temperature Sensor
  • Charge Air Cooler Temperature Sensor harness is open or shorted
  • Charge Air Cooler Temperature Sensor circuit poor electrical connection

How to Fix the DTC P00A4?

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 P00A4 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 P00A4 code?

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Need Help with the 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.

Frequently Asked Questions about P00A4 Code

No Frequently Asked Questions about P00A4 Code found.

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