Porsche TSB #122-T8X6Q-09
2017 Porsche 911
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- "THERE MAY BE A DIFFERENCE BETWEEN THE ACTUAL COOLANT TEMPERATURE AND THE PREDICTED TEMPERATURE DUE TO INCORRECT POSITIONING OF THEMAP-CONTROLLED THERMOSTAT DURING THE WARM-UP PHASE ON THE AFFECTED VEHICLES. THE ERROR MESSAGE ""FAULT COOLING SYSTEM"" WILL THEN BE DISPLAYED IN THE INSTRUMENT CLUSTER AND THE CHECK ENGINE LIGHT WILL COME ON."