Engine-Codes - Cadillac - P1503 CADILLAC

P1503 CADILLAC - Theft Deterrent Fuel Enable Signal Not Correct

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

P1503 CADILLAC Possible Causes

  • Faulty Theft Deterrent System
  • Theft Deterrent System program

How is the P1503 CADILLAC code repair?

Start by checking 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.

What is the cost to diagnose the P1503 CADILLAC code

Labor: 1.0

The cost to diagnose the P1503 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1503 CADILLAC Meaning

With the engine cranking, the Powertrain Control Module (PCM) received a frequency code that did not match the code it received from the theft deterrent module.

More Information

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