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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Exhaust System) >> Diagnostic Information and Procedures >> DTC P2BF8-P2BFA, P316E-P3177, or P3179-P3184 (LT4) >> DTC Descriptor

DTC Descriptor

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.
DTC P2BF8

Exhaust Control Valve Control Circuit

DTC P2BF9

Exhaust Control Valve Control Circuit Low

DTC P2BFA

Exhaust Control Valve Control Circuit High

DTC P316E

Variable Exhaust Flow Control Valve Feedback Circuit Low Duty Cycle Bank 1

DTC P316F

Variable Exhaust Flow Control Valve Feedback Circuit High Duty Cycle Bank 1

DTC P3170

Variable Exhaust Flow Control Valve Feedback Circuit Low Frequency Bank 1

DTC P3171

Variable Exhaust Flow Control Valve Feedback Circuit High Frequency Bank 1 - Internal Component Fault

DTC P3172

Variable Exhaust Flow Control Valve - Position Signal Exceeds Lower Limit Bank 1

DTC P3173

Variable Exhaust Flow Control Valve - Position Signal Exceeds Upper Limit Bank 1

DTC P3174

Variable Exhaust Flow Control Valve Position Not Learned Bank 1

DTC P3175

Variable Exhaust Flow Control Valve Position Performance Bank 1

DTC P3176

Variable Exhaust Flow Control Valve Feedback Circuit Incorrect Frequency Bank 1 - Internal Component Fault

DTC P3177

Variable Exhaust Flow Control Valve Actuator Signal Performance Bank 1

DTC P3179

Variable Exhaust Flow Control Valve Actuator Performance Bank 1

DTC P317A

Variable Exhaust Flow Control Valve Actuator Performance Bank 2

DTC P317B

Variable Exhaust Flow Control Valve 2 Feedback Circuit Low Duty Cycle

DTC P317C

Variable Exhaust Flow Control Valve 2 Feedback Circuit High Duty Cycle

DTC P317D

Variable Exhaust Flow Control Valve 2 Feedback Circuit Low Frequency

DTC P317E

Variable Exhaust Flow Control Valve 2 Feedback Circuit High Frequency - Internal Component Fault

DTC P317F

Variable Exhaust Flow Control Valve 2 - Position Signal Exceeds Lower Limit

DTC P3180

Variable Exhaust Flow Control Valve 2 - Position Signal Exceeds Upper Limit

DTC P3181

Variable Exhaust Flow Control Valve 2 Position Not Learned

DTC P3182

Variable Exhaust Flow Control Valve 2 Position Performance

DTC P3183

Variable Exhaust Flow Control Valve 2 Feedback Circuit Incorrect Frequency - Internal Component Fault

DTC P3184

Variable Exhaust Flow Control Valve 2 Actuator Signal Performance

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