B1313 - Interior Lighting Output Circuit Short

Repair Importance Level: 3/3

Repair Difficulty Level: 3/3 What is this?

B1313 Possible Causes

Faulty Interior Lamp
Interior Lamp harness is open or shorted
Interior Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How do I fix code B1313

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.

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

Cost of diagnosing the B1313 code

Labor: 1.0

The cost of diagnosing 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.

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.

B1313 More Information

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Information for specific makes

B1313 FORD Interior Lighting Output Circuit Short
B1313 LINCOLN Interior Lighting Output Circuit Short
B1313 MERCURY Interior Lighting Output Circuit Short

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