AutoCodes - Gmc - B1446 GMC

B1446 GMC Code - Replace Backup Power Source

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|B1446 GMC code possible causes

  • Faulty Communication Interface Module (CIM)
  • Communication Interface Module (CIM) harness is open or shorted
  • Communication Interface Module (CIM) circuit poor electrical connection

|How do I fix the B1446 GMC code?

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.

|Cost of diagnosing the B1446 GMC code

Labor: 1.0

The cost of diagnosing the B1446 GMC 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 B1446 GMC code possible symptoms?

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

|B1446 GMC code description

The Back-up Battery (BUB) provides voltage to the Communication Interface Module (CIM), to be able to successfully place a call in the event of a main battery disconnect during a collision event. The OBDII codes set when the CIM detects that the back-up battery voltage has dropped below the minimum threshold value.
OBDII Code B1446 Gmc - Replace Backup Power Source - AutoCodes.com

|Need more information with the B1446 GMC code?

Need more information on how to fix the B1446 GMC code? Get Access to Factory Service Manuals

|Need help with a B1446 GMC code?

Get the B1446 Gmc code diagnosed by a professional: Find a repair shop in your area

|B1446 GMC code comments

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