What causes B15B8 on a Toyota?

Failed hard disk drive Failed navigation ECU sub-assembly Read and write errors on the drive Initialization fault on the drive Low system voltage

How do I fix B15B8 on a Toyota?

Confirm the code and check navigation operation Inspect and reseat the navigation ECU connectors Test power and ground at the navigation ECU Check for extreme temperature exposure Replace the navigation ECU only after tests fail

B15B8 Navigation hard disk reports a startup or read write fault

Q: What does B15B8 mean on a Toyota?

B15B8. Navigation hard disk reports a startup or read write fault. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B15B8 mean on a Toyota?

B15B8. Navigation hard disk reports a startup or read write fault. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B15B8

Failed hard disk drive
Failed navigation ECU sub-assembly
Read and write errors on the drive
Initialization fault on the drive
Low system voltage

How to fix B15B8

Confirm the code and check navigation operation
Inspect and reseat the navigation ECU connectors
Test power and ground at the navigation ECU
Check for extreme temperature exposure
Replace the navigation ECU only after tests fail