GMC OBDII Codes List

  • P11B4 GMC 2,048 Views
    HO2S Current Performance Bank 1 Sensor 1
  • P11B5 GMC 8,370 Views
    HO2S Current Performance Bank 1 Sensor 2
  • P11BE GMC  📷 484 Views
    O2 Reference Voltage Circuit (NOx Sensor 2)
  • P11BF GMC  📷 308 Views
    O2 Reference Voltage Circuit Low Voltage (NOx Sensor 2)
  • P11C0 GMC  📷 202 Views
    O2 Reference Voltage Circuit High Voltage (NOx Sensor 2)
  • P11C2 GMC 5,734 Views
    Intake Air Humidity Sensor Circuit Low Voltage
  • P11C3 GMC 1,037 Views
    Intake Air Humidity Sensor Circuit High Voltage
  • P11C4 GMC 1,646 Views
    Intake Air Humidity Sensor Circuit Erratic
  • P11C5 GMC  📷 447 Views
    NOx Sensor 1 Heater Ground Circuit
  • P11C6 GMC  📷 1,211 Views
    NOx Sensor 1 Heater Ground Circuit High
  • P11C7 GMC  📷 542 Views
    NOx Sensor 2 Heater Ground Circuit
  • P11C8 GMC  📷 215 Views
    NOx Sensor 2 Heater Ground Circuit High
  • P11CB GMC 31,280 Views
    Nox Sensor 1 Performance Signal High
  • P11CC GMC  📷 3,617 Views
    Nox Sensor 1 Performance Signal Low
  • P11D0 GMC  📷 196 Views
    O2 Signal Circuit (NOx Sensor 2)
  • P11D1 GMC  📷 314 Views
    O2 Signal Circuit Low Voltage (NOx Sensor 2)
  • P11D2 GMC  📷 167 Views
    O2 Signal Circuit High Voltage (NOx Sensor 2)
  • P11D3 GMC  📷 4,177 Views
    NOx Sensor 1 Exceeded Minimum Learning Limit
  • P11D5 GMC  📷 1,468 Views
    NOx Sensor 2 Exceeded Minimum Learning Limit
  • P11D7 GMC 1,159 Views
    Downstream NOx Sensor Self Diagnostic Bank 1 Sensor 2
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