Engine-Codes - Generic - B1864

B1864 Code - Battery Power Supply ECU Circuit Failure

- Code Popularity: 12,546 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1864?

  • 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 to Fix the B1864 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 B1864?

Labor: 1.0

The cost to diagnose the B1864 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 B1864 Possible Symptoms?

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

|What Does the B1864 Code Mean?

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.

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?

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