Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

P26C5, P26C6, P26C7

Control Circuit = Commanded state does not match the actual state - For greater than 8 s

P31CF

Exhaust Control Valve Position - Duty Cycle = Less than 5% - For greater than 8 s

P31D0

Exhaust Control Valve Position - Duty Cycle = Greater than 95% - For greater than 8 s

P31D1

Exhaust Control Valve Position - Frequency = Less than 97 Hz - For greater than 8 s

P31D2

Exhaust Control Valve Position - Frequency = Greater than 206 Hz - For greater than 8 s

P31D3

Exhaust Control Valve Position - Duty Cycle = Less than 3.5% - For greater than 8 s

P31D4

Exhaust Control Valve Position - Duty Cycle = Greater than 96.5% - For greater than 8 s

P31D5

Exhaust Control Valve Position = Not Learned - For greater than 8 s

P31D6

Exhaust Control Valve Position - Frequency = Signal Stuck In Range - For greater than 8 s

P31D7

Exhaust Control Valve Position = Signal not received - For greater than 8 s

P31D9

M106S Exhaust Control Valve Actuator - Sound Quality = Internal Component Fault orStuck in Learn Mode - For greater than 8 s

P31DA

M106S Exhaust Control Valve Actuator - Sound Quality = Not within a calibrated range - Stuck Closed - For greater than 8 s

P31DB

M106S Exhaust Control Valve Actuator - Sound Quality = Not within a calibrated range - Stuck Open - For greater than 8 s