← View Generic P0137 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0137: Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $250
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
DIY Possible?
✅ Yes
Save money
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0137 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The downstream oxygen sensor on bank 1 is reading consistently low voltage.
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Symptoms

  • • Failed emissions test
  • • check engine light
  • • possible catalytic converter efficiency issues.
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Common Causes

  • • Faulty oxygen sensor
  • • exhaust leaks
  • • wiring short to ground
  • • contaminated sensor
  • • catalytic converter problems.
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How to Fix P0137 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace oxygen sensor, repair exhaust leaks, check wiring for shorts, inspect catalytic converter.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Oxygen Sensor Shop ↗ O2 Sensor Socket Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P0137

P0135 Sequential Code

Oxygen Sensor Heater Circuit Malfunction Bank 1 Sensor 1

Medium
P0136 Sequential Code

Oxygen Sensor Circuit Malfunction Bank 1 Sensor 2

Medium
P0138 Sequential Code

Oxygen Sensor Circuit High Voltage Bank 1 Sensor 2

Medium
P0139 Sequential Code

Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system