UART Communication Malfunction
Table of contents
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
How do I fix code B15F9 TOYOTA?
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
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.
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.