[SOLVED] P122C Code: Fix Intake Air Flow Valve Circuit Short – Easy Steps!

The automobile fault code P122C indicates a problem with the Throttle Body Assembly. Symptoms may include poor engine performance, reduced power, or difficulty starting the vehicle.

The code is typically triggered by a faulty Throttle Body Assembly, an open or shorted harness, a poor electrical connection, or a faulty Engine Control Module (ECM). To fix the issue, visually inspect the wiring harness and connectors for any damage.

Check for broken, bent, pushed out, or corroded pins on the connectors. The repair time for this issue is estimated to be around 1.0 hour.

It is important to address this fault code promptly to ensure optimal engine performance and avoid further damage.

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

Experiencing rough idling, reduced engine power, and stalling?

Check out the symptoms of fault code P122C below.

  • The symptoms of the automobile fault code P122C include: engine misfires, rough idling, reduced power and acceleration, difficulty starting the vehicle, stalling or hesitation during acceleration, illuminated check engine light, and decreased fuel efficiency.

The automobile fault code p122c can be caused by a faulty throttle body assembly, an open or shorted throttle body assembly harness, a poor electrical connection in the throttle body assembly circuit, or a faulty engine control module (ECM).

  • The fault code P122C can be caused by a faulty throttle body assembly, an open or shorted throttle body assembly harness, a poor electrical connection in the throttle body assembly circuit, or a faulty engine control module (ECM).

To fix the automobile fault code p122c, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P122C, 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 factors influencing the cost of diagnosing and fixing the automobile fault code p122c are the estimated repair time of 1.0 hour and the typical hourly rate charged by auto repair shops, which ranges between $75 and $150.

When you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to the fault code P122C. This code indicates a problem with the throttle position sensor. The throttle position sensor is responsible for monitoring the position of the throttle valve in the engine.

It provides crucial information to the engine control unit (ECU) to determine the appropriate amount of air and fuel mixture for combustion. When the throttle position sensor malfunctions, it can lead to issues with engine performance, such as poor acceleration or stalling. It is important to address this fault code promptly to ensure optimal engine operation and prevent further damage.

What are the possible causes of fault code P122C in an automobile?

The fault code P122C in an automobile can be caused by a faulty Throttle Body Assembly, an open or shorted Throttle Body Assembly harness, a poor electrical connection in the Throttle Body Assembly circuit, or a faulty Engine Control Module (ECM). To fix this issue, visually inspect the wiring harness and connectors, checking for any damage or broken, bent, pushed out, or corroded pins in the connectors. Additionally, refer to the “Possible Causes” listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors related to the Throttle Body Assembly?

To visually inspect the wiring harness and connectors related to the Throttle Body Assembly, start by checking for any symptoms such as a faulty Throttle Body Assembly or poor electrical connection. The possible causes could be an open or shorted harness, or a faulty Engine Control Module (ECM). To fix the issue, visually inspect the wiring harness and connectors for any damage or broken components. Look out for any signs of bent, pushed out, or corroded pins on the connectors.

What should I look for when checking the connector’s pins for fault code P122C?

When checking the connector’s pins for fault code P122C, there are a few things to look out for. The symptom could be a faulty throttle body assembly, an open or shorted throttle body assembly harness, a poor electrical connection in the throttle body assembly circuit, or a faulty engine control module (ECM). To fix the issue, visually inspect the related wiring harness and connectors. Check for any damaged components and pay close attention to the connector’s pins for any signs of being broken, bent, pushed out, or corroded.

p122c error fault code explained

To fix the P122C fault code, start by visually inspecting the wiring harness and connectors.

Look for any damage or corrosion. Check the throttle body assembly for any issues. If necessary, replace the faulty throttle body assembly or repair any poor electrical connections.

Don’t forget to also check the Engine Control Module (ECM) for any faults.

Scroll to Top