NUMBER: 18-036-06 DATE: November 18, 2006 SUBJECT: FLASH: Powertrain Control Module (PCM) MIL/Battery Light Illumination OVERVIEW: This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. SYMPTOM/CONDITION: -Improved diagnostics for MIL illumination due to DTC P1607 Shutdown Timer Rationality. -Improved diagnostics for battery light illumination due to DTC P2504 Charging […]