Chevrolet specific DTC OBD2 code: P1818 TFP Valve Position Switch-Drive Without Drive Ratio
Chevrolet specific DTC OBD2 code: P1690 ECM Loop Overrun
Chevrolet specific DTC OBD2 code: P1791 Transmission Control Module Loop
Chevrolet specific DTC OBD2 code: P1819 Internal Mode Swtich No Start, Wrong Range
Chevrolet specific DTC OBD2 code: P1691 Coolant Gage Circuit Low Voltage
Chevrolet specific DTC OBD2 code: P1792 Transmission Control Module Reprogrammable Memory
Chevrolet specific DTC OBD2 code: P1820 Internal Mode Switch Circuit A Low
Chevrolet specific DTC OBD2 code: P1692 Coolant Gage Circuit High Voltage
Chevrolet specific DTC OBD2 code: P1793 Transmission control Module Stack Overrun
Chevrolet specific DTC OBD2 code: P1822 Internal Mode Switch Circuit B High