AutoCodesDodge – P2626 Dodge

P2626 Dodge Code - Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1

Quick Answer

A resistor is installed in the Universal Heated Oxygen Sensor (HO2S) connector for part to part variance. Common causes include Faulty Heated Oxygen Sensor (HO2S), Heated Oxygen Sensor (HO2S) harness is open or shorted, Heated Oxygen Sensor (HO2S) 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
P2626 Dodge indicates Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1.
Common causes
Common causes include Faulty Heated Oxygen Sensor (HO2S), Heated Oxygen Sensor (HO2S) harness is open or shorted, Heated Oxygen Sensor (HO2S) 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 10,061
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 22, 2019
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Code P2626 Dodge Description

A resistor is installed in the Universal Heated Oxygen Sensor (HO2S) connector for part to part variance. The Powertrain Control Module (PCM) determines the value of this resistor by taking multiple measurements of the resistor during each ignition ON event. The PCM uses this value in order to compensate for the variance in the pumping current signal. The test fails if the PCM determines the resistance value is too high.
OBDII Code P2626 Dodge - Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 - AutoCodes.com
P2626 Dodge Code - Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1

What are the Possible Causes of the DTC P2626 Dodge?

  • Faulty Heated Oxygen Sensor (HO2S)
  • Heated Oxygen Sensor (HO2S) harness is open or shorted
  • Heated Oxygen Sensor (HO2S) circuit poor electrical connection

How to Fix the DTC P2626 Dodge?

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 P2626 Dodge 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.

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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 P2626 Dodge Code

1. What does the OBDII code P2626 mean on a Dodge vehicle?

P2626 indicates an issue with the Oxygen Sensor Pumping Current Trim Circuit/Open in Bank 1 Sensor 1, meaning the engine control module (ECM) has detected a fault in the oxygen sensor's current trim circuit.

2. What are the common symptoms of code P2626 in a Dodge?

Symptoms may include a check engine light, poor fuel economy, rough idling, decreased engine performance, and increased emissions.

3. What causes the P2626 code to appear on a Dodge?

Common causes include a faulty upstream oxygen sensor (Bank 1 Sensor 1), damaged or corroded wiring, a poor electrical connection, or a malfunctioning ECM.

4. How can I diagnose the P2626 code on my Dodge?

Start by using an OBDII scanner to confirm the code, inspect the wiring and connectors for damage or corrosion, and test the oxygen sensor’s circuit and functionality with a multimeter.

5. Can I drive my Dodge with a P2626 code?

Driving with a P2626 code is not recommended as it can lead to poor fuel efficiency, increased emissions, and potential damage to the catalytic converter.

6. How do I fix the P2626 code on a Dodge?

Repairs may include replacing the faulty oxygen sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.

7. How much does it cost to fix the P2626 code on a Dodge?

The repair cost depends on the root cause but typically ranges from $150 to $400, with oxygen sensor replacement being the most common fix.

8. What tools are needed to troubleshoot a P2626 code on a Dodge?

You will need an OBDII scanner, a multimeter, and possibly wiring diagrams for your vehicle to test the sensor and circuit.

9. What is Bank 1 Sensor 1 in relation to the P2626 code?

Bank 1 Sensor 1 refers to the oxygen sensor located before the catalytic converter on the side of the engine with cylinder 1.

10. Can a P2626 code be caused by a bad catalytic converter?

While a bad catalytic converter is not a direct cause, it can lead to oxygen sensor issues that may trigger the P2626 code.

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