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AutoCodes - Generic - B1845

B1845 Code - Ignition Tamper Circuit Failure

- Code Popularity: 22,456 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jul 02, 2019
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|Code B1845 Possible Causes

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

|How do I Fix the Code B1845?

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 B1845?

Labor: 1.0

The cost of diagnosing the B1845 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 B1845 Possible Symptoms?

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

|Code B1845 Description

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

OBDII Code B1845 - Ignition Tamper Circuit Failure - AutoCodes.com
B1845 Code - Ignition Tamper Circuit Failure

|Need More Information on the B1845 Code?

Need more information on how to fix the B1845 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B1845 Lexus Short In Curtain Shield Squib Left 2nd Step Circuit
  • B1845 Scion Short In Curtain Shield Squib Left 2nd Step Circuit
  • B1845 Toyota Short In Curtain Shield Squib Left 2nd Step Circuit

|Need Help with the B1845 Code?

Get the B1845 code diagnosed by a professional: Find a repair shop in your area

|Code B1845 comments

Help us improve AutoCodes.com. 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 B1845 code? Have you replaced any parts?
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