Engine-Codes - Chevrolet - B1447 Chevrolet

B1447 Chevrolet Code - Backup Power Source

- Code Popularity: 7,292 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1447 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Communication Interface Module (CIM)
  • Communication Interface Module (CIM) harness is open or shorted
  • Communication Interface Module (CIM) circuit poor electrical connection
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How to Fix the DTC B1447 Chevrolet?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1447 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B1447 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 detects no voltage from the back-up battery.

B1447 Chevrolet Code - Backup Power Source

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