Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Porsche for this TSB. Call your local Porsche dealer's service department & ask for a copy of TSB# TI-53-09-2.
PORSCHE: WORKSHOP CAMPAIGN WA16 REPROGRAMMING DME CONTROL UNIT. A FAULT, INDICATING A DEFECT IN THE TANK LEAKAGE DIAGNOSIS SYSTEM, MAY BE ENTERED IN THE DME FAULT MEMORY WHEN YOU START ENGINE. THE CHECK ENGINE WARNING LIGHT WILL COME ON AS A RESULT ALTHOUGH THERE ARE NO FAULTS IN THE FUEL SYSTEM. MODELS BOXSTER (987), CAYMAN (987). *PE
