[SOLVED] P179C Code: Fixing Main Pressure Valve Electric Fault In Your Vehicle

The automobile fault code P179C indicates a problem with the Main Pressure Valve in the engine.

This can cause the Engine Light to turn on or the Service Engine Soon Warning Light to illuminate. The possible causes include a faulty Main Pressure Valve, an open or shorted harness, or a poor electrical connection in the Main Pressure Valve circuit. To fix this issue, you should visually inspect the wiring harness and connectors for any damage.

Look for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this problem is estimated to be around 1.0 hour.

It is important to address this issue promptly to prevent further damage to the engine.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p179c fault code.

  • The symptoms of the automobile fault code P179C include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p179c can be caused by a faulty Main Pressure Valve, an open or shorted Main Pressure Valve harness, or a poor electrical connection in the Main Pressure Valve circuit.

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  • The fault code P179C can be caused by the following: 1.
  • Faulty Main Pressure Valve.
  • 2.
  • Open or shorted Main Pressure Valve harness.
  • 3.
  • Poor electrical connection in the Main Pressure Valve circuit.

To fix the automobile fault code p179c, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P179C, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The automobile fault code P179C has an estimated repair time of 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for this type of repair.

The P179C fault code refers to a problem with the Main Pressure Valve in the engine control module (ECM).

The ECM is responsible for monitoring various components in the vehicle, including the Main Pressure Valve.

When the Main Pressure Valve is not functioning according to the factory specifications, the ECM will set the P179C code. This code indicates an electric fault with the Main Pressure Valve. It is important to address this issue promptly to ensure the proper functioning of the vehicle.

What are the possible causes for the automobile fault code P179C?

If you see the engine light or service engine soon warning light on, the fault code P179C could be the culprit. This code is often caused by a faulty main pressure valve or issues with the main pressure valve harness, such as an open or shorted circuit. To fix the problem, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Also, look out for broken, bent, pushed out, or corroded pins on the connectors.

How can I visually inspect the wiring harness and connectors to fix the P179C fault code?

If you’re dealing with the P179C fault code and your engine light is on, it’s time to visually inspect the wiring harness and connectors. This fault code can be caused by a faulty Main Pressure Valve, an open or shorted Main Pressure Valve harness, or a poor electrical connection in the Main Pressure Valve circuit. To fix it, check the possible causes mentioned earlier and carefully examine the wiring harness and connectors. Look out for any damaged components and check for broken, bent, pushed out, or corroded pins in the connectors.

What should I look for when checking for damaged components and connector’s pins to resolve the P179C fault code?

When resolving the P179C fault code, start by checking for damaged components and connector’s pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded pins. These issues can cause a poor electrical connection and lead to the fault code. By identifying and fixing these problems, you can resolve the issue and turn off the Engine Light or Service Engine Soon Warning Light.

p179c error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Main Pressure Valve or issues with its harness and circuit connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins as well.

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