SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC P1327(SC209Y) - This bulletin provides information related to the Technical Service Bulletin previously published in (SC209A) titled "ECM Logic Improvement for Piston Ring Noise Sensing System". If DTC P1327 is present after the ECM Logic Improvement is performed per SC209A, follow the instructions in this bulletin to replace the engine long block.
