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AutoCodes - Generic - B2172

B2172 Code - Inertia Switch Input Circuit Open

- Code Popularity: 10,392 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Sep 22, 2019
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|Code B2172 Possible Causes

  • Faulty Inertia Switch
  • Inertia Switch harness is open or shorted
  • Inertia Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B2172?

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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2172?

Labor: 1.0

The cost of diagnosing the B2172 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 Code B2172 Possible Symptoms?

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

|Code B2172 Description

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

OBDII Code B2172 - Inertia Switch Input Circuit Open -
B2172 Code - Inertia Switch Input Circuit Open

|Need More Information on the B2172 Code?

Need more information on how to fix the B2172 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2172 Code?

Get the B2172 code diagnosed by a professional: Find a repair shop in your area

|Code B2172 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B2172 code? Have you replaced any parts?
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