Actron 9640 User Manual

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Getting Started

Diagnostic Trouble Codes (DTCs)

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Diagnostic Trouble Codes are used to help determine the cause of
a problem or problems with a vehicle.

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Diagnostic Trouble Codes (DTCs) consist of a five-digit
alphanumeric code.

The Diagnostic Trouble Codes format and general code types are shown below.

Within each general category, the DTCs are assigned to specific ranges that

cover certain vehicle systems.

Example:

P0101 - Mass or Volume Air Flow Circuit Range/Performance Problem

P 0 1 0 1

Vehicle Specific System

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)

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)

Ux - Network Comm.

x = 0, 1, 2 or 3