Engine-Codes - Cadillac - B1480 Cadillac

B1480 Cadillac Code - Battery Rundown Protection Circuit Malfunction

- Code Popularity: 1,862 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1480 Cadillac?

  • Faulty Inadvertent Power Relay
  • Inadvertent Power Relay harness is open or shorted
  • Inadvertent Power Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B1480 Cadillac Code?

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 Code B1480 Cadillac?

Labor: 1.0

The cost to diagnose the B1480 Cadillac code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B1480 Cadillac Possible Symptoms?

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

|What Does the B1480 Cadillac Code Mean?

The Battery Rundown Protection function allows the Body Control Module (BCM) to disable courtesy lights, cargo lights and underhood light 40 minutes after the ignition is turned off. The BCM monitors the output of the inadvertent power relay. When BCM commands the Inadvertent Power Relay on and there is no voltage at BCM connector 0.5 seconds, Diagnostic Trouble Code (DTC) will be set. DTC will not set if system voltage is not 9-16 volts. When DTC is set, courtesy lights, cargo lights, and underhood light will be disabled.

Battery Rundown Protection Circuit Malfunction

|Need more Information on the B1480 Cadillac Code?

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|Need Help with the B1480 Cadillac Code?

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