Engine-Codes - Generic - B1899

B1899 Code - Microphone Input Signal Circuit Open

- Code Popularity: 3,650 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1899?

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

|How to Fix the B1899 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 B1899?

Labor: 1.0

The cost to diagnose the B1899 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.

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|What are Code B1899 Possible Symptoms?

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

|What Does the B1899 Code Mean?

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

B1899 Code - Microphone Input Signal Circuit Open

|Need more Information on the B1899 Code?

Need more information on how to fix the B1899 code? Get Access to Factory Service Manuals

|Need Help with the B1899 Code?

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