I have a cheap Amazon code reader. I guess since I keep it I the garage the cold start test of coolant temp having to be below 42 wasn’t happening I will park outside this week so hopefully the EGM/CMP TEST will go complete. MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow https://a.co/d/cMahCDf