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Engine-Codes - Generic - B1313

B1313 - Interior Lighting Output Circuit Short

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

B1313 Possible Causes

What does this mean?
  • Faulty Interior Lamp
  • Interior Lamp harness is open or shorted
  • Interior Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How is the B1313 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.

Tech Notes

What does this mean?
B1313:11 Interior Lighting Output Circuit Short To Ground
B1313:15 Interior Lighting Output Circuit Short To Battery or Open

What is the cost to diagnose the B1313 code

Labor: 1.0

The cost to diagnose the B1313 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.
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Possible Symptoms

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

B1313 Meaning

The Body Control Module (BCM) fuse supplies power for the interior courtesy lamps (and the running board lamps if equipped). When the BCM receives the required input (such as an open door or request from the instrument panel dimmer switch), it provides voltage to the interior courtesy lamps. This Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground or open from the courtesy lighting output circuit.

More Information

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