Diagnostic Code Index

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1000  Engine Control Unit Performance
DTC B1001  Option Configuration Error
DTC B1004  Keep Alive Memory (KAM) Reset
DTC B1009  EEPROM Checksum Mismatch
DTC C0550  EEPROM Checksum Mismatch
DTC U0001  This diagnostic procedure supports the following DTC:
DTC U0020  Low Speed CAN Communication Bus Performance
DTC U0073 or U2100  Controller Area Network (CAN) Bus Communication
DTC U0100-U0299  Lost Communications: ECM, TCM, BCM, or ABS
DTC U2103  Fewer Controllers On Than Programmed.
DTC U2105-U2199  Lost Communications: Various Control Systems
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.