Engine-Codes - Lexus - B15F9 Lexus

B15F9 Lexus Code - UART Communication Malfunction

- Code Popularity: 2,138 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B15F9 Lexus?

  • Faulty Multi-Media Module Receiver Assembly
  • Multi-Media Module Receiver Assembly harness is open or shorted
  • Multi-Media Module Receiver Assembly circuit poor electrical connection

|How to Fix the B15F9 Lexus 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 B15F9 Lexus?

Labor: 1.0

The cost to diagnose the B15F9 Lexus 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 B15F9 Lexus Possible Symptoms?

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

|What Does the B15F9 Lexus Code Mean?

The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Multi-Media Module Receiver Assembly. Open in UART communication line is detected based on radio receiver activation failure.

UART Communication Malfunction

|Need more Information on the B15F9 Lexus Code?

Need more information on how to fix the B15F9 Lexus code? Get Access to Factory Service Manuals

|Need Help with the B15F9 Lexus Code?

Get the B15F9 Lexus code diagnosed by a professional: Find a repair shop in your area