AutoCodes – Generic – P179A

P179A Code - Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the turbocharger actuator. Common causes include Loss of power to the turbocharger actuator, Damaged CAN communication circuit. 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: P179A indicates Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction.
Common causes: Common causes include Loss of power to the turbocharger actuator, Damaged CAN communication circuit.
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 10,573

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 Jan 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P179A Description

The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the turbocharger actuator. This DTC sets when the PCM fails to receive the turbocharger actuator message within the defined amount of time.

OBDII Code P179A - Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction - AutoCodes.com — P179A Code - Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P179A?

Loss of power to the turbocharger actuator
Damaged CAN communication circuit

How to Fix the DTC P179A?

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 P179A 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 P179A code?

Need more information on how to fix the P179A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P179A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P179A Buick — Auxiliary Transmission Fluid Pump Overspeed
P179A Cadillac — Auxiliary Transmission Fluid Pump Overspeed
P179A Chevrolet — Auxiliary Transmission Fluid Pump Overspeed
P179A Ford — Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction
P179A GMC — Auxiliary Transmission Fluid Pump Overspeed

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 P179A Code

1. What are the common symptoms of OBDII code P179A?

- Common symptoms include reduced engine power, rough idling, hesitation during acceleration, and illuminated Check Engine Light.

2. What causes the OBDII code P179A to occur?

- The code P179A typically indicates a malfunction in the communication circuit between the Engine Control Module (ECM) and the Turbocharger Boost Control Actuator.

3. How can I diagnose the OBDII code P179A?

- Diagnosis involves using a scan tool to retrieve the trouble codes, checking the wiring and connections related to the engine control module and turbocharger actuator, and performing a thorough visual inspection.

4. What are some possible repair tips for resolving OBDII code P179A?

- Repair tips may include repairing or replacing damaged wiring, connectors, or components in the engine control module and turbocharger boost control actuator circuit.

5. Can driving with the OBDII code P179A cause further damage to the vehicle?

- Continuing to drive with code P179A may lead to increased fuel consumption, potential damage to the turbocharger system, and further deterioration of engine performance.

6. How urgent is it to address the OBDII code P179A?

- It is recommended to address the code P179A promptly to prevent potential engine damage and ensure optimal vehicle performance.

7. Is it safe to drive with the Check Engine Light on due to code P179A?

- It is generally safe to drive the vehicle for a short distance if the Check Engine Light is on, but it is advisable to have the issue diagnosed and repaired as soon as possible.

8. Can I reset the OBDII code P179A myself?

- The code can be reset using an OBDII scan tool, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

9. Are there any recalls related to OBDII code P179A?

- Check with the vehicle manufacturer or authorized dealerships to inquire about any recalls or service bulletins related to code P179A for your specific make and model.

10. How much does it typically cost to repair OBDII code P179A?

- The cost of repairing code P179A can vary depending on the extent of the issue, labor rates, and parts needed, so it is recommended to obtain quotes from reputable repair shops.