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luckilero7 · 01-31-2012, 05:45 PM

I scanned my service vehicle light and that's the code that came up. It stands for "Ambient Light Sensor Circuit High". I got home and looked it up and, in short, it means something in my DRL/Auto Light sensor circuit is "open". I did the mod to "trick" the sensor into always thinking its light out and removed the DRL relay. I've had this mod for over a year easily and never had a problem so I'm thinking it is just the sensor itself or something else that is simple as the the light I have shining on it may have caused the wires to melt or harnes to go bad. I will check it out tomorrow when I have the chance as right now I am replacing the front bearings and idler pulley to solve a couple other issues I'm having. Hopefully the Alero will be 100% by spring.

01-31-2012, 05:45 PM	#1
luckilero7 GL Member Join Date: Mar 2004 Posts: 257	Code B2648 I scanned my service vehicle light and that's the code that came up. It stands for "Ambient Light Sensor Circuit High". I got home and looked it up and, in short, it means something in my DRL/Auto Light sensor circuit is "open". I did the mod to "trick" the sensor into always thinking its light out and removed the DRL relay. I've had this mod for over a year easily and never had a problem so I'm thinking it is just the sensor itself or something else that is simple as the the light I have shining on it may have caused the wires to melt or harnes to go bad. I will check it out tomorrow when I have the chance as right now I am replacing the front bearings and idler pulley to solve a couple other issues I'm having. Hopefully the Alero will be 100% by spring.