GMC OBDII Codes List

  • P040F GMC 1,356 Views
    Exhaust Gas Recirculation Temperature Sensor 'A'/'B' Correlation
  • P0410 GMC   49,523 Views
    Secondary Air Injection System Malfunction
  • P0411 GMC 26,018 Views
    Secondary Air Injection System Insufficient Flow
  • P0412 GMC 4,714 Views
    Secondary Air Injection Solenoid Relay Control Circuit
  • P0418 GMC 5,765 Views
    Secondary Air Injection Pump Relay Control Circuit
  • P041A GMC 1,216 Views
    Exhaust Gas Recirculation Temperature Sensor 'B' Circuit
  • P041B GMC  📷 1,261 Views
    Exhaust Gas Recirculation Temperature Sensor 1 Performance
  • P041C GMC  📷 1,160 Views
    Exhaust Gas Recirculation Temperature Sensor 1 Circuit Low Voltage
  • P041D GMC  📷 2,949 Views
    Exhaust Gas Recirculation Temperature Sensor 1 Circuit High Voltage
  • P041E GMC  📷 1,441 Views
    Exhaust Gas Recirculation Temperature Sensor 1 Circuit Erratic
  • P041F GMC 968 Views
    Secondary Air Injection System Switching Valve 'A' Circuit Low
  • P0420 GMC  📷 105,452 Views
    Catalyst System Low Efficiency Bank 1
  • P0421 GMC  📷 323 Views
    Catalyst 1 Low Efficiency
  • P0422 GMC  📷 516 Views
    Catalyst 2 Low Efficiency
  • P042E GMC  📷 1,428 Views
    Exhaust Gas Recirculation Closed Position Performance
  • P0430 GMC  📷 86,963 Views
    Catalyst System Low Efficiency Bank 2
  • P0440 GMC   60,155 Views
    Evaporative Emission System
  • P0442 GMC    📷 107,265 Views
    Evaporative Emission System Small Leak Detected
  • P0443 GMC    📷 11,206 Views
    Evaporative Emission Purge Solenoid Valve Control Circuit
  • P0445 GMC 73 Views
    Evaporative Emission Control System Purge Control Valve Circuit Shorted
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