Toyota TSB #T-TT-0420-16_Rev
2018 Toyota Sienna
Affected Component: EQUIPMENT:ELECTRICAL
- Summary
- TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. This is a known condition and will be remedied in the near future.