Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P02E8
Serial Data circuit = Less than 0. 5 V - For greater than 3 s
P02E9
Serial Data circuit = Greater than 4. 6 V - For greater than 3 s
P16A0
Serial Data circuit = Message Counter Incorrect/Too Few Pulses - For greater than 3 s
P16A1
Serial Data circuit = Message Counter Incorrect/Too Many Pulses - For greater than 3 s
P16A2
Serial Data circuit = Message Counter Incorrect/Signal noisy or erratic - For greater than 3 s