Diagnostic Trouble Codes (Dtcs) - Actron Super AutoScanner CP9145 User Manual

Getting Started • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

DIAGNOSTIC TROUBLE CODES (DTCS)

Diagnostic Trouble Codes (DTCs) consist of a five-digit alphanumeric code. The
DTC format and general code types are shown below. When the on-board
computer recognizes and identifies a problem, a DTC for that fault is stored in
memory. These codes are intended to help you determine the root cause of a
problem
.
1
Bx - Body
Cx - Chassis
Px - Powertrain
Ux - Network Comm.
x = 0, 1, 2 or 3
Example:
P0101 - Mass or Volume Air Flow Circuit Range/Performance Problem
Powertrain Codes
P0xxx - Generic (SAE)
P1xxx - Manufacturer Specific
P2xxx - Generic (SAE)
P30xx-P33xx - Manufacturer Specific
P34xx-P39xx - Generic (SAE)
Chassis Codes
C0xxx - Generic (SAE)
C1xxx - Manufacturer Specific
C2xxx - Manufacturer Specific
C3xxx - Generic (SAE)
J2012 and ISO 15031-6 are standards for all DTCs, established by the SAE,
International Organization for Standardization (ISO) and other governing bodies.
Codes and the definitions assigned by this specification are known as Generic
OBD II codes. OBD II requires compliance of this standard, and has made it a
standard for all cars, light trucks, APVs, MPVs, and SUVs sold in the U.S. Codes
not reserved by the SAE are reserved for the manufacturer and referred to as
Manufacturer Specific.
1 – 8 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
P 0 1 0 1
Body Codes
B0xxx - Generic (SAE)
B1xxx - Manufacturer Specific
B2xxx - Manufacturer Specific
B3xxx - Generic (SAE)
Network Communication Codes
U0xxx - Generic (SAE)
U1xxx - Manufacturer Specific
U2xxx - Manufacturer Specific
U3xxx - Generic (SAE)
Specific Fault Designation
Vehicle Specific System