AutoCodes - Gmc - B1448 GMC

B1448 GMC Code - Accessory Power Relay Circuit

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

|B1448 GMC code possible causes

  • Faulty Accessory Power Relay
  • Accessory Power Relay harness is open or shorted
  • Accessory Power Relay circuit poor electrical connection
  • Faulty Rear Wiper Motor
  • Faulty Body Control Module (BCM)

|How do I fix the B1448 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 B1448 GMC code

Labor: 1.0

The cost of diagnosing the B1448 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 B1448 GMC code possible symptoms?

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

|B1448 GMC code description

The Body Control Module (BCM) supplies accessory voltage as required for the Rear Wiper Motor and controls the Rear wiper and washer relay through the accessory voltage circuit from BCM harness. The Diagnostic Trouble Code (DTC) will set only when the output is activated and there is a short to ground in the accessory voltage circuit.
OBDII Code B1448 Gmc - Accessory Power Relay Circuit - AutoCodes.com

|Need more information with the B1448 GMC code?

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|Need help with a B1448 GMC code?

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|B1448 GMC code comments

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Repair Importance Level: 3
 
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