OBDII Code List

B15F9 TOYOTA - UART Communication Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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B15F9 TOYOTA Possible Causes

  • 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

First diagnose B15F9 TOYOTA code

    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.

Cost of diagnosing the B15F9 TOYOTA code

    Labor: 1.0

    The cost of diagnosing the B15F9 TOYOTA 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.

B15F9 TOYOTA Possible Symptoms

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

B15f9 Toyota Description

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.
OBDII Code B15f9 Toyota - UART Communication Malfunction -

B15F9 TOYOTA More Information

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