Engine-CodesScion – P0137 Scion

P0137 Scion Code - Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2

Quick Answer

The P0137 diagnostic trouble code (DTC) for Scion vehicles indicates an issue with the oxygen sensor circuit for Bank 1 Sensor 2, specifically relating to low voltage. Common causes include Faulty oxygen sensor, Wiring issues or damaged connectors, Exhaust leaks near the oxygen sensor. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0137 Scion indicates Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2.
Common causes
Common causes include Faulty oxygen sensor, Wiring issues or damaged connectors, Exhaust leaks near the oxygen sensor.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0137 Scion Description

The P0137 diagnostic trouble code (DTC) for Scion vehicles indicates an issue with the oxygen sensor circuit for Bank 1 Sensor 2, specifically relating to low voltage. The oxygen sensor, also known as the O2 sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases. Bank 1 refers to the side of the engine that contains cylinder number 1, while Sensor 2 indicates that this particular sensor is located downstream of the catalytic converter.

OBDII Code P0137 Scion - Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2
P0137 Scion Code - Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2

Common Causes of P0137 Scion

  1. Faulty oxygen sensor
  2. Wiring issues or damaged connectors
  3. Exhaust leaks near the oxygen sensor
  4. Engine running rich or lean conditions
  5. Faulty ECM

Symptoms of P0137 Scion

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Increased emissions output

How to Fix P0137 Scion

  1. Diagnose the issue by using a scan tool to read the DTC and inspect the oxygen sensor wiring and connectors.
  2. Test the oxygen sensor using a multimeter to check for proper voltage output.
  3. Replace the oxygen sensor if it is faulty, ensuring to use an OEM or high-quality replacement part.
  4. Repair any damaged wiring or connectors.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0137 Scion

The cost of repairing a P0137 code on a Scion can vary depending on the specific model, year, and the extent of the issue. Typically, the cost of a new oxygen sensor ranges from $50 to $200, while labor costs can range from $100 to $200. Overall, the total repair cost for addressing this issue could range from $150 to $400. It is advisable to consult with a trusted mechanic or repair shop to get an accurate estimate based on your vehicle's specific requirements. Labor rates can vary, so it's essential to consider these factors when budgeting for the repair.

Tech Notes for P0137 Scion

Replacing the Oxygen Sensor Bank 1 Sensor 2 (Rear Oxygen Sensor Bank 1 or Downstream Oxygen Sensor Bank 1) usually takes care of the problem.

Need more information about the P0137 Scion code?

Need more information on how to fix the P0137 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0137 Scion code diagnosed by a professional: Find a repair shop in your area

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 P0137 Scion Code

No Frequently Asked Questions about P0137 Scion Code found.

Discuss the causes and fixes for P0137 Scion OBDII Code