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Diagnostic Code Index

WARNING: This page is about a different car, the 2006 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B0976, B0977, or B0978 
  • DTC B0976 Off Indicator Control Circuit
  • DTC B0977 Start Indicator Control Circuit
  • DTC B0978 Accessory Indicator Control Circuit
DTC B1000  Electronic Control Unit (ECU) Performance
DTC B1001  Option Configuration Error
DTC B1004  keep alive memory (KAM) Reset
DTC B1007  EEPROM Write Error
DTC B1009  EEPROM Checksum Mismatch
DTC B1013  Calibration Read Only Memory (ROM) Checksum Error
DTC B1014  Program Read Only Memory (ROM) Checksum Error
DTC B1370  Device Ignition 1 (ON and START) Circuit
DTC B1440  Power Mode Master Input Circuits Mismatch
DTC B1451  Accessory Power Circuit
DTC B2625  Display Dimming Pulse Width Modulation (PWM) Output Circuit
DTC U0001  High Speed CAN Communication Bus
DTC U0100-U0299 
  • DTC U0101 Lost Communication With Transmission Control Module (TCM)
  • DTC U0121 Lost Communication With Electronic Brake Control Module (EBCM)
  • DTC U0140 Lost Communication With Body Control Module (BCM)
DTC U1000 and U1255  DTC U1000 or U1255 Class 2 Data Link
DTC U1001-U1254  Loss Of Communication With Module U1XXX
DTC U1300, U1301, or U1305 
  • DTC U1300 Class 2 Data Link Low
  • DTC U1301 Class 2 Data Link High
  • DTC U1305 Class 2 Data Link Low or High
DTC U2100  High Speed CAN Communication Bus
DTC U2105-U2199 
  • DTC U2105 Lost Communication With Engine Control Module (ECM)
  • DTC U2106 Lost Communication With Transmission Control Module (TCM)
  • DTC U2107 Lost Communication With Body Control Module (BCM)
  • DTC U2108 Lost Communication With Electronic Brake Control Module (EBCM)
  • DTC U2112 Lost Communication With Electronic Suspension Control (ESC) Module