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Hi, guys. Need some help here. Got the LT4 out for a drive yesterday for the first time in months. I always have the engine temperature selected in the instrument display and the temperature went up to 194 degrees as usual. But then the number 194 was replaced with a blinking "545". In a few moments, 194 was back and the process then repeated itself throughout a 30-minute drive. On the trip back home, only the 194 was on the display, no blinking 545. Anybody have any thooughts on this? Thanks.
SyS means the CCM has a code. You can pull it by shorting out some leads on the ADL, but I don't have a service manual for a 96 to intrepret them for you.
Thanks, guys. I'll guess it is the battery. It was dead when I tried to start the car, and had to jump it. The first leg of the drive when I was seeing the sys code, the battery would have been charging. After 30 miles or so, and a restart, the display was back to normal. I appreciate the input.