IAC Electrical Load Failure
Table of contents
P1504 MAZDA Possible Causes
- Faulty Idle Air Control (IAC)
- IAC harness is open or shorted
- IAC poor electrical connection
- Large vacuum leak on engine
How do I fix code P1504 MAZDA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Idle Air Control (IAC)
Cost of diagnosing the P1504 MAZDA code
The cost of diagnosing the P1504 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1504 MAZDA Description
IAC Electrical Load Failure is the generic description for the P1504 Mazda code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1504 Mazda OBDII code.Still have questions? Please post your question on our Comments Section below for more information.