P04D1
EGR Temperature Sensor C Circuit High
P04D1 is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor C Circuit High. Common causes: egr temperature sensor malfunction, open or shorted wiring harness. Estimated repair cost: $11–56.
Symptoms
- Unstable engine operation at idle
- Power reduction
- Increased fuel consumption
- Check Engine light comes on
Causes
- EGR temperature sensor malfunction
- Open or shorted wiring harness
- Problems with sensor connectors
- EGR valve malfunction
How to Fix
- Check the integrity of the wiring harness and sensor connectors
- Measure the resistance of the EGR temperature sensor
- Check the operation of the EGR valve
- If necessary, replace the EGR temperature sensor
Related codes
Error P04D1 by Vehicle Brand
FAQ
What does the P04D1 code mean?
P04D1 is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor C Circuit High
What causes a P04D1 error code?
The most common causes of P04D1 include: EGR temperature sensor malfunction; Open or shorted wiring harness; Problems with sensor connectors; EGR valve malfunction.
How do I fix a P04D1 diagnostic trouble code?
To fix P04D1: Check the integrity of the wiring harness and sensor connectors. Measure the resistance of the EGR temperature sensor. Check the operation of the EGR valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04D1?
Limited driving only, diagnose soon
How much does it cost to fix P04D1?
The estimated repair cost for P04D1 is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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