Engine-Codes - Generic - B2100

B2100 Code - Door Driver Key Cylinder Switch Failure

- Code Popularity: 8,390 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B2100?

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 Door Driver Key Cylinder Switch
  • Door Driver Key Cylinder Switch harness is open or shorted
  • Door Driver Key Cylinder Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B2100?

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 B2100 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 B2100 Code Mean?

The Body Control Module (BCM) monitors the Door Driver Key Cylinder Switch. The BCM sets the OBDII code when the Door Driver Key Cylinder Switch is not to factory specifications.

B2100 Code - Door Driver Key Cylinder Switch Failure

Need more Information on the Code?

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Code B2100 Information for Specific Makes

  • B2100 Chrysler Ignition Run/Start Input Circuit Performance
  • B2100 Dodge Ignition Run/Start Input Circuit Performance
  • B2100 Jeep Ignition Run/Start Input Circuit Performance
  • B2100 RAM Ignition Run/Start Input Circuit Performance

Need Help with the Code?

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