P1003 - EFI System Relay Contacts Open
P1003 Possible Causes
- Faulty EFI System Relay
- EFI System Relay harness is open or shorted
- EFI System Relay circuit poor electrical connection
How do I fix code P1003?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.
Cost of diagnosing the P1003 code
Labor: 1.0The cost of diagnosing the P1003 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.
- Engine Light ON (or Service Engine Soon Warning Light)
P1003 DescriptionEFI System Relay Contacts Open is the generic description for the P1003 code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1003 OBDII code.
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More InformationNeed more information on how to fix the P1003 code?
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