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B0780 GMC Code - Four Wheel Drive Low Range Indicator Circuit

Updated Mar 11, 2021
- Code Popularity: 755 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|B0780 GMC code possible causes

  • Faulty Transfer Case Select Switch
  • Transfer Case Select Switch harness is open or shorted
  • Transfer Case Select Switch circuit poor electrical connection
  • Faulty Transfer Case Shift Control Module

|How do I fix code B0780 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 B0780 GMC code

Labor: 1.0

The cost of diagnosing the B0780 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are B0780 GMC code possible symptoms?

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

|B0780 GMC code description

The Four Wheel Drive Low Range (4LO) indicator circuit consists of an LED dimming supply circuit and a 4LO indicator control circuit. When the 4LO mode is selected, current is supplied to the 4LO indicator by the LED dimming supply circuit, traveling through the 4LO indicator LEDs, at which time the transfer case shift control module supplies the ground through the 4LO indicator control circuit.

OBDII Code B0780 Gmc - Four Wheel Drive Low Range Indicator Circuit - AutoCodes.com
Four Wheel Drive Low Range Indicator Circuit

|Need more information with the B0780 GMC code?

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|B0780 GMC code comments

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