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AutoCodes - Generic - B1864

B1864 Code - Battery Power Supply ECU Circuit Failure

- Code Popularity: 12,341 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Jul 07, 2019
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|Code B1864 Possible Causes

  • Faulty Battery Power Supply ECU
  • Battery Power Supply ECU harness is open or shorted
  • Battery Power Supply ECU circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B1864?

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 B1864?

Labor: 1.0

The cost of diagnosing the B1864 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 B1864 Possible Symptoms?

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

|Code B1864 Description

The Body Control Module (BCM) monitors the Battery Power Supply ECU. The BCM sets the OBDII code when the Battery Power Supply ECU is not to factory specifications.

OBDII Code B1864 - Battery Power Supply ECU Circuit Failure -
B1864 Code - Battery Power Supply ECU Circuit Failure

|Need More Information on the B1864 Code?

Need more information on how to fix the B1864 code? Get Access to Factory Service Manuals

|Need Help with the B1864 Code?

Get the B1864 code diagnosed by a professional: Find a repair shop in your area

|Code B1864 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 B1864 code? Have you replaced any parts?
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