Engine-Codes - Chevrolet - B1446 Chevrolet

B1446 Chevrolet Code - Replace Backup Power Source

- Code Popularity: 3,332 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1446 Chevrolet?

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

|How to Fix the B1446 Chevrolet 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 B1446 Chevrolet?

Labor: 1.0

The cost to diagnose the B1446 Chevrolet 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 B1446 Chevrolet Possible Symptoms?

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

|What Does the B1446 Chevrolet Code Mean?

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.

Replace Backup Power Source

|Need more Information on the B1446 Chevrolet Code?

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

|Need Help with the B1446 Chevrolet Code?

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