P179A Code - Controller Are Network Engine Control Module / Turbocharger Boost Control Actuator Circuit Malfunction
Quick Answer
The diagnostic trouble code P179A indicates a Controller Area Network (CAN) communication issue between the Engine Control Module (ECM) and the Turbocharger Boost Control Actuator. Common causes include Faulty wiring or connections in the CAN communication circuit, Malfunctioning Engine Control Module (ECM), Defective Turbocharger Boost Control Actuator. 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 Faulty wiring or connections in the CAN communication circuit, Malfunctioning Engine Control Module (ECM), Defective Turbocharger Boost Control Actuator.
- 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 P179A Description
The diagnostic trouble code P179A indicates a Controller Area Network (CAN) communication issue between the Engine Control Module (ECM) and the Turbocharger Boost Control Actuator. The ECM is responsible for monitoring and controlling various engine functions, while the Turbocharger Boost Control Actuator regulates the amount of boost pressure supplied to the engine for optimal performance. When there is a malfunction in the communication circuit between these two crucial components, it can lead to a variety of performance issues in the vehicle.
Common Causes of P179A
- Faulty wiring or connections in the CAN communication circuit
- Malfunctioning Engine Control Module (ECM)
- Defective Turbocharger Boost Control Actuator
- Corrosion or damage to the wiring harness
- Electrical interference or signal disruption
Symptoms of P179A
- Reduced engine power
- Poor acceleration
- Decreased fuel efficiency
- Engine stalling
- Illumination of the Check Engine Light
How to Fix P179A
- Perform a comprehensive diagnostic scan to retrieve the fault codes and identify the specific cause of the communication malfunction.
- Inspect and test the wiring, connectors, and grounds in the CAN communication circuit for any faults or damage.
- Check the Engine Control Module and Turbocharger Boost Control Actuator for proper operation and potential malfunctions.
- Replace any faulty components, such as damaged wiring, defective sensors, or malfunctioning ECM or Turbocharger Boost Control Actuator.
- Clear the fault codes, reset the ECM, and perform a test drive to verify that the issue has been resolved and the communication between the components is functioning correctly.
Cost to Fix P179A
The typical repair costs for addressing the P179A code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts and labor for diagnosing and repairing a Controller Area Network Engine Control Module/Turbocharger Boost Control Actuator Circuit Malfunction can range from $200 to $500. However, it's essential to note that the actual costs may differ based on the location, vehicle make and model, and the rates of the auto repair shop. Diagnostic time and labor rates can vary between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships and lower in independent shops. To obtain a more accurate estimate, it's advisable to consult with a trusted mechanic or repair facility.
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Code P179A 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
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.
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