OBD-II Generic Error Code P2037: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
Summarize with ChatGPTSummarize with ClaudeSummarize with Perplexity Add as Preferred Source on Google
Error Code
P2037
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code P2037 indicates that the exhaust gas temperature (EGT) sensor for bank 2, sensor 1 is reporting a voltage that is higher than the expected range. This sensor monitors the temperature of exhaust gases before it enters the catalytic converter to help manage emissions and prevent damage. A high voltage reading often points to a faulty sensor, wiring issues, or a short circuit.
Ad

Tools You'll Need

How to Fix Error Code P2037

  1. Diagnose the Error Code

  2. Inspect the EGT Sensor and Wiring

    Allow the exhaust system to cool completely before touching any components to avoid burns.

  3. Test the Sensor Resistance

  4. Replace the EGT Sensor

    Do not overtighten the sensor; damage to the threads can occur.

  5. Clear the Code and Verify Repair

Parts You May Need

Exhaust Gas Temperature Sensor
Check Price on Amazon
Exhaust Gas Temperature Sensor
Check Price on Amazon
Exhaust Gas Temperature Sensor
Check Price on Amazon
Exhaust Gas Temperature Sensor
Check Price on Amazon
Ad

When to Call a Professional

If you have inspected the sensor and wiring and the code returns after replacement, the problem could be a wiring short to power/ground or a faulty engine control module (PCM). A professional mechanic can perform advanced diagnostics and repair.

Frequently Asked Questions

What does error code P2037 mean?
P2037 means the exhaust gas temperature sensor for bank 2, sensor 1 is reading higher voltage than expected, indicating a potential sensor or wiring fault.
Can I drive with a P2037 code?
You can drive short distances, but the vehicle may enter limp mode or fail an emissions test. Prolonged driving could damage the catalytic converter, so it's best to fix it soon.
Where is the bank 2 sensor 1 located?
Bank 2 is the side of the engine without cylinder #1. Sensor 1 is the first EGT sensor, usually on the exhaust manifold or before the catalytic converter.
How much does it cost to fix P2037?
DIY cost for a new EGT sensor is typically $30-$100. Professional repair including labor can range from $100-$300.

Related Error Codes