P1003 - EFI System Relay Contacts Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

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.
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Cost of diagnosing the P1003 code

Labor: 1.0

The 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.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1003 Description

EFI 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.

Still have questions? Please post your question on our Comments Section below for more information.

OBDII Code P1003 - EFI System Relay Contacts Open  - AutoCodes.com

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