EGR Temperature Sensor Bank 1 Circuit Low
Can I Drive?
Yes, But Fix Soon
DIY Difficulty
beginner
Estimated Cost
$60-$250
What does POWERSTROKE-P040C mean?
The POWERSTROKE-P040C (Power Stroke) diesel fault code means: EGR Temperature Sensor Bank 1 Circuit Low. This is a serious severity code.
Common Symptoms
- CEL
- Possible EGR derate
Probable Causes (Ranked by Likelihood)
- Failed EGR temp sensor Very Likely
- Signal wire short Likely
Step-by-Step Diagnostic Procedure
Scan EGR temp PID -- should match ambient cold.
Replace sensor; cheap fix.
Frequently Asked Questions
What is P040C on a 6.7L Power Stroke (Scorpion)?
P040C on a 6.7L Power Stroke (Scorpion) (2011-present) indicates: EGR Temperature Sensor Bank 1 Circuit Low. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P040C on my Power Stroke?
Yes, you can generally drive with this code, but diagnose it soon to prevent further damage.
How much does it cost to fix P040C?
Repair cost is typically $60-$250 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.