Need a
Repair Manual?
P247B OBD2: Exhaust Gas Temperature Out of Range

P247B OBD2: Exhaust Gas Temperature Out of Range

What Does the P247B Code Mean?

The P247B code is an OBD-II trouble code that indicates an issue with the exhaust gas temperature (EGT) sensor. Specifically, it means that the EGT sensor is reporting a temperature that is outside the expected range. This can affect the vehicle’s emissions system and overall performance.

What Causes the P247B Code?

Several factors can trigger the P247B code, including:

  • Exhaust Gas Temperature (EGT) sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues or damaged connectors

What Are the Symptoms of the P247B Code?

When the P247B code is present, you may experience the following symptoms:

  • Illuminated Check Engine Light
  • Decreased engine performance
  • Increased emissions
  • Possible engine overheating

How Serious Is the P247B Code?

The P247B code is classified as a moderate severity issue. While it may not pose an immediate threat to vehicle safety or functionality, it is crucial to have it diagnosed and repaired promptly to prevent further damage or more serious problems down the line.

How to Diagnose the P247B Code

Diagnosing the P247B code typically involves the following steps:

  1. Use an OBD-II scanner to confirm the presence of the code and check for any additional codes.
  2. Inspect the EGT sensor and wiring for any visible damage or disconnections.
  3. Test the EGT sensor’s resistance and voltage according to manufacturer specifications.
  4. Check the PCM for any faults or software issues.

Common Repairs for the P247B Code

To resolve the P247B code, common repairs may include:

  • Replacing a faulty exhaust gas temperature sensor
  • Repairing or replacing damaged wiring or connectors
  • Reprogramming or replacing the PCM if necessary

How Much Does It Cost to Fix the P247B Code?

The cost to fix the P247B code can vary widely depending on the underlying issue. Expect to pay:

  • EGT sensor replacement: $100 – $300
  • Wiring repairs: $50 – $150
  • PCM reprogramming or replacement: $200 – $500

Can I Fix the P247B Code Myself?

If you have experience with automotive repairs, you may be able to address simple issues like replacing the EGT sensor or repairing wiring. However, if you are unsure or if the problem lies with the PCM, it’s advisable to consult with a professional mechanic to ensure proper diagnosis and repair.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

Leave a Reply

Your email address will not be published. Required fields are marked *

;