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Here is the list of DTC's. This is a HUGE file (48 pages ) so it's probably easiest to use your scroll function to locate the code you're looking for.
The P0000 to P1000 are all EOBD Codes.
First digit structure is as follows:
• Pxxxx for powertrain
• Bxxxx for body
• Cxxxx for chassis
• Uxxxx for future systems
Second digit structure is:
• P0xxx Government required codes
• P1xxx Manufacturer codes for additional emission system function; not required but reported to the government
Third digit structure is:
• Px1xx measurement of air and fuel
• Px2xx measurement of air and fuel
• Px3xx ignition system
• Px4xx additional emission control
• Px5xx speed and idle regulation
• Px6xx computer and output signals
• Px7xx transmission
• Px8xx transmission
• Px9xx control modules, input and output signals
The fourth and fifth digits designate the individual components and systems.
GM/CHEVY Diagnostic Trouble Codes DTC OBD II Error Codes
GM/Chevy Motor Diagnostic Trouble Codes (DTC) OBD II Error Codes
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