GMC OBDII Codes List

  • P1820 GMC 1,926 Views
    Internal Mode Switch Circuit 'A' Low
  • P1822 GMC 1,352 Views
    Internal Mode Switch Circuit 'B' Low
  • P1823 GMC 1,123 Views
    Internal Mode Switch Circuit 'P' Low
  • P1824 GMC  📷 1,026 Views
    Internal Mode Switch 'P' Circuit Low Voltage
  • P1825 GMC 3,271 Views
    Internal Mode Switch Invalid Range
  • P1826 GMC 1,714 Views
    Internal Mode Switch Circuit 'C' High
  • P182A GMC  📷 1,366 Views
    Internal Mode Switch 'A' Circuit Low Voltage
  • P182B GMC  📷 2,266 Views
    Internal Mode Switch 'B' Circuit Low Voltage
  • P182C GMC  📷 741 Views
    Internal Mode Switch 'B' Circuit High Voltage
  • P182D GMC  📷 956 Views
    Internal Mode Switch 'P' Circuit High Voltage
  • P182E GMC  📷 11,775 Views
    Internal Mode Switch Invalid Range
  • P182F GMC  📷 1,125 Views
    Internal Mode Switch 'C' Circuit High Voltage
  • P1831 GMC 1,458 Views
    PC Solenoid Power Circuit Low Voltage
  • P1833 GMC 1,461 Views
    A/T Solenoids Power Circuit Low Voltage
  • P1835 GMC 1,205 Views
    Kick-Down Switch Circuit
  • P1836 GMC 1,231 Views
    Kick-Down Switch Failed Open
  • P1837 GMC 980 Views
    Kick-Down Switch Failed Short
  • P1838 GMC  📷 1,102 Views
    Internal Mode Switch 'A' Circuit High Voltage
  • P1839 GMC  📷 1,599 Views
    Internal Mode Switch 'C' Circuit Low Voltage
  • P183A GMC 961 Views
    Internal Mode Switch 2 D1 Circuit Low Voltage
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