Engine-Codes - Generic - B1846

B1846 Code - Ignition Tamper Circuit Open

- Code Popularity: 4,348 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1846?

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

|How to Fix the B1846 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.

|What is the Cost to Diagnose the Code B1846?

Labor: 1.0

The cost to diagnose the B1846 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.

Does your Car have Safety Recalls? → Check here

|What are Code B1846 Possible Symptoms?

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

|What Does the B1846 Code Mean?

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

B1846 Code - Ignition Tamper Circuit Open

|Need more Information on the B1846 Code?

Need more information on how to fix the B1846 code? Get Access to Factory Service Manuals

|Code B1846 Information for Specific Makes

  • B1846 Lexus Open In Curtain Shield Squib Left 2nd Step Circuit
  • B1846 Scion Open In Curtain Shield Squib Left 2nd Step Circuit
  • B1846 Toyota Open In Curtain Shield Squib Left 2nd Step Circuit

|Need Help with the B1846 Code?

Get the B1846 code diagnosed by a professional: Find a repair shop in your area