The automobile fault code P12EC indicates a problem with the Cylinder Deactivation Exhaust Flow Valve. The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light.

The cause of this fault code can be a faulty valve, an open or shorted harness, or a poor electrical connection.

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 p12ec fault code.

  • The symptoms of the automobile fault code P12EC include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p12ec can be caused by a faulty Cylinder Deactivation Exhaust Flow Valve, an open or shorted harness, or a poor electrical connection in the circuit.

  • The fault code P12EC can be caused by: a faulty Cylinder Deactivation Exhaust Flow Valve, an open or shorted harness for the Cylinder Deactivation Exhaust Flow Valve, and a poor electrical connection in the Cylinder Deactivation Exhaust Flow Valve circuit.

To fix the automobile fault code p12ec, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p12ec, 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 fault code p12ec 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 P12EC fault code refers to a problem with the Cylinder Deactivation Exhaust Flow Valve.

This valve is part of the exhaust flow control system, which is responsible for tuning the exhaust note of the vehicle.

The Powertrain Control Module (PCM) monitors this valve and sets the OBDII code when it is not functioning according to factory specifications.

In the case of the P12EC code, it specifically indicates a high frequency feedback circuit issue in the Cylinder Deactivation Exhaust Flow Valve of the bank. This fault code helps identify and diagnose problems with the exhaust system, allowing for timely repairs and maintenance.

What are the possible causes for the automobile fault code P12EC?

If you see the engine light on or the service engine soon warning light, the fault code P12EC might be the culprit. This code is often caused by a faulty cylinder deactivation exhaust flow valve, an open or shorted harness, or a poor electrical connection in the valve circuit. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any signs of damage or corrosion. Additionally, check for broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix the issue?

To fix the issue of the Engine Light being ON or the Service Engine Soon Warning Light, start by checking the possible causes. Then, visually inspect the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This thorough inspection will help identify any issues with the Cylinder Deactivation Exhaust Flow Valve and its electrical connections.

What should I look for when checking for damaged components or corroded connector pins?

When checking for damaged components or corroded connector pins, start by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded connector pins. These issues can cause a faulty Cylinder Deactivation Exhaust Flow Valve, an open or shorted harness, or a poor electrical connection. By checking for these problems, you can identify the cause of the Engine Light being ON and take the necessary steps to fix it.

p12ec error fault code explained

If your engine light is on and you’re getting the P12EC fault code, it could be due to a faulty Cylinder Deactivation Exhaust Flow Valve or issues with the valve’s harness and electrical connection. To fix it, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins on the connectors.

Scroll to Top