Engine-Codes - Buick - B1400 BUICK

B1400 BUICK Code - Control Module Supply Circuit 2

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

|B1400 BUICK code possible causes

  • Faulty Control Module Supply
  • Control Module Supply harness is open or shorted
  • Control Module Supply circuit poor electrical connection

|How is the B1400 BUICK 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.

|What is the cost to diagnose the B1400 BUICK code

Labor: 1.0

The cost to diagnose the B1400 BUICK 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.

|What are B1400 BUICK code possible symptoms?

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

|What is B1400 BUICK code meaning?

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Control Module Supply detects a system voltage below or above a threshold.

|Need more information with the B1400 BUICK code?

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|Need help with a B1400 BUICK code?

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