AutoCodes – Generic – P2622

P2622 Code - Throttle Position Output Circuit High

Quick Answer

The Engine Control Module (ECM) monitors the Throttle Position circuit signal. Common causes include Faulty Throttle Position Sensor/Switch, Throttle Position Sensor/Switch harness is open or shorted, Throttle Position Sensor/Switch circuit poor electrical connection. 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: P2622 indicates Throttle Position Output Circuit High.
Common causes: Common causes include Faulty Throttle Position Sensor/Switch, Throttle Position Sensor/Switch harness is open or shorted, Throttle Position Sensor/Switch circuit poor electrical connection.
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 Popularity 12,238

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2622 Description

The Engine Control Module (ECM) monitors the Throttle Position circuit signal. The ECM sets the OBDII Code when the Throttle Position circuit signal is out of factory specifications.

OBDII Code P2622 - Throttle Position Output Circuit High - AutoCodes.com — P2622 Code - Throttle Position Output Circuit High

What does this mean?

What are the Possible Causes of the DTC P2622?

Faulty Throttle Position Sensor/Switch
Throttle Position Sensor/Switch harness is open or shorted
Throttle Position Sensor/Switch circuit poor electrical connection

How to Fix the DTC P2622?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2622 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2622 code?

Need more information on how to fix the P2622 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2622 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2622 Dodge — Throttle Position Output Circuit High

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2622 Code

1. What is OBDII code P2622?

Code P2622 indicates a problem in the throttle position output circuit, specifically that the signal is higher than expected. This could be due to electrical issues like short circuits or faults in the throttle position sensor or its wiring.

2. What symptoms might I notice if my vehicle has code P2622?

Symptoms can include erratic engine behavior, poor acceleration, engine stalling, and an illuminated check engine light. The vehicle may also enter a limp mode to protect the engine from potential damage.

3. What could cause the P2622 code to appear?

Potential causes include faulty throttle position sensors, damaged wires or connectors in the throttle position sensor circuit, or issues with the engine control module (ECM) itself.

4. How can I fix the OBDII code P2622?

Repairs might include replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, or in some cases, reprogramming or replacing the ECM.

5. Is it safe to drive with the P2622 code?

Driving with this code is not advised as it can lead to reduced vehicle performance and potentially dangerous driving conditions, especially if the engine behavior is unpredictable.

6. How is the P2622 code diagnosed?

Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting the throttle position sensor and its connections, and using a multimeter to check for high voltage in the throttle position output circuit.

7. Can the P2622 code affect the fuel economy of my vehicle?

Yes, the P2622 code can affect fuel economy. Erratic throttle position readings can lead to improper air-fuel mixture adjustments by the ECM, causing the engine to run inefficiently.

8. What tools are needed to confirm a diagnosis of the P2622 code?

Tools required may include an OBDII scanner to read the code and live data, a multimeter for electrical tests, and possibly a scope to check the detailed operation of the throttle position sensor.

9. How often does the P2622 code occur in vehicles?

The frequency of code P2622 appearing is not particularly high but can occur in vehicles with aging or damaged throttle position sensors or where there is exposure to harsh conditions that could damage electrical components.