P1137 Cadillac Code - HO2S Bank 1 Sensor 2 Lean Or Low Voltage
Quick Answer
The diagnostic trouble code (DTC) P1137 for Cadillac vehicles specifically refers to an issue with the Heated Oxygen Sensor (HO2S) located on Bank 1 Sensor 2. Common causes include Faulty HO2S Bank 1 Sensor 2, Wiring or connector issues, Vacuum leaks. 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
- P1137 Cadillac indicates HO2S Bank 1 Sensor 2 Lean Or Low Voltage.
- Common causes
- Common causes include Faulty HO2S Bank 1 Sensor 2, Wiring or connector issues, Vacuum leaks.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1137 Cadillac Description
The diagnostic trouble code (DTC) P1137 for Cadillac vehicles specifically refers to an issue with the Heated Oxygen Sensor (HO2S) located on Bank 1 Sensor 2. This sensor is responsible for measuring the oxygen content in the exhaust gases after they have passed through the catalytic converter. The code indicates that the sensor is detecting a lean air-fuel mixture or a low voltage signal. This can have a significant impact on the vehicle's performance, emissions, and overall efficiency.
Common Causes of P1137 Cadillac
- Faulty HO2S Bank 1 Sensor 2
- Wiring or connector issues
- Vacuum leaks
- Exhaust leaks
- Fuel system problems
Symptoms of P1137 Cadillac
- Decreased fuel efficiency
- Rough idling or stalling
- Hesitation or stumbling during acceleration
- Check Engine Light illuminated
- Failed emissions test
How to Fix P1137 Cadillac
- Diagnose the issue by using a scan tool to retrieve the DTC and monitor live sensor data.
- Inspect the wiring and connectors for any signs of damage or corrosion.
- Check for vacuum leaks by performing a smoke test or using a vacuum gauge.
- Inspect the exhaust system for leaks, especially around the sensor location.
- Replace the HO2S Bank 1 Sensor 2 if it is determined to be faulty.
Cost to Fix P1137 Cadillac
The typical repair costs for addressing a P1137 code can vary depending on the specific cause of the issue. In general, replacing the HO2S Bank 1 Sensor 2 can cost anywhere from $100 to $300 for the part, with additional labor costs ranging from $80 to $150 per hour. The total repair cost may range from $200 to $500, but it's important to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model, as well as any additional parts or services that may be required.
Need more information about the P1137 Cadillac code?
Need more information on how to fix the P1137 Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1137 Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1137 Cadillac Code
No Frequently Asked Questions about P1137 Cadillac Code found.
Discuss the causes and fixes for P1137 Cadillac OBDII Code
Code P1137 Cadillac comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.