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.

P2564

Serial Data circuit = Less than 10% - For greater than 1 s

P2565

Serial Data circuit = Greater than 90% - For greater than 1 s

P16B0

Serial Data circuit = Message Counter Incorrect/Too Few Pulses - For greater than 1 s

P16B1

Serial Data circuit = Message Counter Incorrect/Too Many Pulses - For greater than 1 s

P16B2

Serial Data circuit = Message Counter Incorrect/Signal noisy or erratic - For greater than 1 s