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B1C3E Code - 1st Driver Seat Belt Buckle Tensioner Circuit High

- Code Popularity: 627 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1C3E?

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 1st Driver Seat Belt Buckle Tensioner
  • 1st Driver Seat Belt Buckle Tensioner harness is open or shorted
  • 1st Driver Seat Belt Buckle Tensioner circuit poor electrical connection
  • Faulty Occupant Restraint Controller (ORC)
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How to Fix the DTC B1C3E?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1C3E code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

This Diagnostic Trouble Code (DTC) sets when the Occupant Restraint Controller (ORC) detects a short to voltage on the squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the module sees a recovery from a short to voltage for greater than 2.5 seconds.

What are Code Possible Symptoms?

  • Air Bag Warning Light ON

Code B1C3E Description

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a floating configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. The use of the Supplemental Restraints System (SRS) Load Tool Adapter provides a test point as well as a method for opening the shorting bar connections within the harness connector. The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 500 ms thereafter while the ignition is in on. The module then monitors the data return wire to determine the state of the circuit.

OBDII Code B1C3E - 1st Driver Seat Belt Buckle Tensioner Circuit High - AutoCodes.com
B1C3E Code - 1st Driver Seat Belt Buckle Tensioner Circuit High

Need More Information on the Code?

Need more information on how to fix the B1C3E code? Get Access to Factory Service Manuals

Information for Specific Makes

  • B1C3E Chrysler 1st Driver Seat Belt Buckle Tensioner Circuit High
  • B1C3E Dodge 1st Driver Seat Belt Buckle Tensioner Circuit High
  • B1C3E Jeep 1st Driver Seat Belt Buckle Tensioner Circuit High
  • B1C3E Mitsubishi 1st Driver Seat Belt Buckle Tensioner Circuit High
  • B1C3E RAM 1st Driver Seat Belt Buckle Tensioner Circuit High

Need Help with the Code?

Get the B1C3E code diagnosed by a professional: Find a repair shop in your area

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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