P2629 Dodge Code - Oxygen Sensor Positive Current Trim Circuit/Open Bank 2 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
- P2629 Dodge indicates Oxygen Sensor Positive Current Trim Circuit/Open Bank 2 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.
Code P2629 Dodge Description
What are the Possible Causes of the DTC P2629 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 P2629 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 P2629 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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Frequently Asked Questions about P2629 Dodge Code
What does the OBDII code P2629 mean on a Dodge vehicle?
The P2629 code indicates an issue with the Oxygen Sensor Positive Current Trim Circuit/Open for Bank 2 Sensor 1, meaning the sensor's circuit may be open or malfunctioning.
What are the common symptoms of the P2629 code?
Common symptoms include an illuminated check engine light, poor fuel efficiency, rough idling, reduced engine performance, and possible emissions test failure.
What causes the P2629 code to appear?
The most common causes are a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, or issues with the powertrain control module (PCM).
How can I diagnose the P2629 code?
Start by using an OBDII scanner to confirm the code, then inspect the wiring and connectors for damage. If no visible issues are found, test the oxygen sensor and related circuits.
Can I drive my Dodge with the P2629 code active?
Driving with this code is not recommended as it can lead to poor engine performance, increased emissions, and potential damage to other components over time.
How do I fix the P2629 code on a Dodge?
Repairs may include replacing the faulty oxygen sensor, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
How much does it cost to repair the P2629 code?
The cost varies, but replacing an oxygen sensor typically costs $100-$300, while wiring repairs or PCM replacement could cost more depending on the extent of damage.
Can a bad oxygen sensor cause the P2629 code?
Yes, a failing or malfunctioning oxygen sensor is one of the most common causes of the P2629 code.
How do I prevent the P2629 code from recurring?
Regular maintenance, including inspecting and replacing oxygen sensors as needed and checking wiring for wear, can help prevent this code from recurring.
Can a loose connection trigger the P2629 code?
Yes, a loose or corroded connection in the oxygen sensor circuit can trigger the P2629 code. Inspect all connectors and wiring for proper contact.
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