Engine-Codes - Gmc - B0680 GMC

B0680 GMC Code - Passenger Air Bag Off Indicator Circuit

- Code Popularity: 771 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the B0680 GMC Code?

  • Faulty Passenger Air Bag Disable Indicator
  • Passenger Air Bag Disable Indicator harness is open or shorted
  • Passenger Air Bag Disable Indicator circuit poor electrical connection
  • Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM)

|How to Fix the B0680 GMC 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.

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|B0680 GMC code tech notes

B0680 01: Passenger Air Bag Off Indicator Circuit Short to Battery
B0680 02: Passenger Air Bag Off Indicator Circuit Short to Ground
B0680 04: Passenger Air Bag Off Indicator Circuit Open

|What is the cost to diagnose the B0680 GMC code?

Labor: 1.0

The cost to diagnose the B0680 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 B0680 GMC code possible symptoms?

  • Air Bag Warning Light ON

|What Does the B0680 GMC Code Mean?

The passenger air bag ON/OFF indicators are used to notify the driver when the passenger presence system has enabled or disabled the passenger instrument panel air bag. When the ignition is turned ON, the ignition voltage is supplied to the passenger presence module. When the Inflatable Restraint Sensing and Diagnostic Module (SDM) receives the appropriate serial data message from the passenger presence module the SDM will then provide voltage to the appropriate indicator.

Passenger Air Bag Off Indicator Circuit

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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