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AutoCodes - Generic - B2478

B2478 Code - Anti-Theft Input Signal Short To Ground

- Code Popularity: 3,202 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Dec 09, 2019
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|Code B2478 Possible Causes

  • Faulty Anti-Theft System
  • Anti-Theft System harness is open or shorted
  • Anti-Theft System circuit poor electrical connection

|How do I Fix the Code B2478?

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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2478?

Labor: 1.0

The cost of diagnosing the B2478 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.

|What are Code B2478 Possible Symptoms?

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

|Code B2478 Description

The Body Control Module (BCM) monitors the Anti-Theft Input Signal. The BCM sets the OBDII code when the Anti-Theft Input Signal is not to factory specifications.

OBDII Code B2478 - Anti-Theft Input Signal Short To Ground -
B2478 Code - Anti-Theft Input Signal Short To Ground

|Need More Information on the B2478 Code?

Need more information on how to fix the B2478 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2478 Code?

Get the B2478 code diagnosed by a professional: Find a repair shop in your area

|Code B2478 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B2478 code? Have you replaced any parts?
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