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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 305 (COMPUTER/INTEGRATING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Pontiac G6 GTP, 2D Coupe, Standard

Diagnostic Code Index

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

DTC Description
DTC B1000  Electronic Control Unit (ECU) Performance
DTC B1001  Option Configuration Error
DTC B1004  Electronic Control Unit Identification Circuit
DTC B1007  EEPROM Read/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 B1380  Device Ignition ACCESSORY Circuit
DTC B1385  Device Ignition START Circuit
DTC B1390  Device Voltage Reference Input Circuit
DTC B1475  Retained Accessory Power Circuit
DTC C0550  Electronic Control Unit (ECU) Performance
DTC P2535  Ignition 1 Switch Circuit High Voltage
DTC U0001  High Speed CAN Communication Bus
DTC U0100-U0299 
  • DTC U0100 Lost Communication With Engine Control Module (ECM)
  • DTC U0101 Lost Communication With Transmission Control Module (TCM)
DTC U1000 and U1255 
  • DTC U1000 Class 2 Data Link Malfunction
  • DTC U1255 Lost Communications
DTC U1001-U1254  Lost communication With XXX Module (See DTC Testing)
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  Controller Area Network (CAN) Bus Communication
DTC U2105-U2199 
  • DTC U2105 Lost Communications With Engine Control System
  • DTC U2107 Lost Communications With Body Control System
  • DTC U2108 Lost Communications With ABS/TCS Control System
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When to See a Mechanic

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

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  • • 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.