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P2622 OBD2: Throttle Position Output Circuit High

P2622 OBD2: Throttle Position Output Circuit High

What Does the P2622 Code Mean?

The P2622 OBD-II code indicates a problem with the Throttle Position Output Circuit. Specifically, it means that the engine control module (PCM) has detected a high signal coming from the throttle position sensor. This sensor plays a crucial role in relaying information about the position of the throttle plate to the PCM, which in turn affects engine performance.

What Causes the P2622 Code?

Several factors can lead to the P2622 code being triggered, including:

  • Faulty Throttle Position Sensor
  • Wiring issues related to the throttle position sensor
  • Powertrain Control Module (PCM) failure
  • Throttle control motor failure

What Are the Symptoms of the P2622 Code?

Common symptoms associated with the P2622 code include:

  • Decreased engine performance
  • Engine may enter limp home mode (reduced performance)
  • Increased fuel consumption

How Serious Is the P2622 Code?

The P2622 code is classified as an urgent issue. It indicates a significant malfunction that could potentially lead to severe damage to the vehicle or pose a safety risk to the driver and passengers. Immediate action is necessary to prevent further complications.

How to Diagnose the P2622 Code

Diagnosing the P2622 code involves several steps:

  1. Use an OBD-II scanner to confirm the code and check for any related codes.
  2. Inspect the throttle position sensor and its wiring for any visible damage or disconnections.
  3. Test the throttle position sensor using a multimeter to check its voltage and resistance.
  4. Examine the PCM to ensure it is functioning correctly.

Common Repairs for the P2622 Code

Repairs for the P2622 code may include:

  • Replacing the Throttle Position Sensor
  • Repairing or replacing damaged wiring or connectors
  • Replacing the Powertrain Control Module (PCM) if found faulty

How Much Does It Cost to Fix the P2622 Code?

The cost for fixing the P2622 code can vary widely based on the specific repairs needed. On average, you might expect to pay between $100 to $500, depending on whether a sensor, wiring, or PCM replacement is necessary.

Can I Fix the P2622 Code Myself?

While some DIY enthusiasts may be able to fix the P2622 code, it is crucial to have a good understanding of automotive electronics and diagnostics. If you are not confident in your ability to diagnose and repair the issue correctly, it is advisable to seek professional assistance to ensure the problem is resolved effectively.

About JC Landry

JC spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.

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