scanning 2007 cadillac srx vin 1GYEE637970139938 with 21.2.2 I found maf pid and rpm pid not correct in the fuel trim data stream maf 645 gps at idle rpm 8228 engine data stream indicates correct data, had an 03 buick in for evap codes ran evap service bay test and engine would abruptly stall every attempt, used competetor tool and test went through first try, updated firm ware in scan module no difference, snap-on wants me to send unit in i think likely software problem not in the hardware ??
verus edge incorrect pid data
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scanning 2007 cadillac srx vin 1GYEE637970139938 with 21.2.2 I found maf pid and rpm pid not correct in the fuel trim data stream maf 645 gps at idle rpm 8228 engine data stream indicates correct data, had an 03 buick in for evap codes ran evap service bay test and engine would abruptly stall every attempt, used competetor tool and test went through first try, updated firm ware in scan module no difference, snap-on wants me to send unit in i think likely software problem not in the hardware ??
Do you have the VIN for the Buick? At what point in the test would the car stall? Without the car at least the setup can be checked.
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