Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# T-SB-0235-09.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
TOYOTA: ENGINE CONTROL. SOME MODEL VEHICLES MAY EXHIBIT A MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0456. EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK). THE ENGINE CONTROL MODULE/ECM (SAE TERM: POWERTRAIN CONTROL MODULE/PCM) LOGIC HAS BEEN MODIFIED TO REDUCE THE POSSIBILITY OF THIS CONDITION OCCURRING. *PE
