580000 | REV. A | 04.2017
Bosch Automotive Service Solutions Inc.
OBD 2220
Info Scan
| User guide | 9 | en
4. Chassis ground
5. Signal ground
6. CAN high, J-2284
7. K line, ISO 9141-2 & ISO/DIS 14230-4
8. Manufacturer reserved
9. Manufacturer reserved
10. J1850 Bus-
11. Manufacturer reserved
12. Manufacturer reserved
13. Manufacturer reserved
14. CAN low, J-2284
15. L line, ISO 9141-2 & ISO/DIS 14230-4
16. Battery power
3.6
OBDII Diagnostic Trouble Codes
(DTCs)
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 definitions assigned by these specifica-
tions are known as Generic OBDII codes.
•
Codes not reserved by the SAE are reserved for the
manufacturer and referred to as Manufacturer Spe-
cific Codes.
DTCs are used to help determine the cause of a problem
or problems with a vehicle.
•
DTCs consist of a five-digit alphanumeric code.
•
The DTC format and general code types are shown below.
1. Bx = Body
Cx = Chassis
Px = Powertrain
Ux = Network communication
x - 0, 1, 2, or 3
2. Vehicle specific system
3. Specific fault designation
Example:
P0101 = Mass or volume air flow cir cuit range/perfor-
mance problem
Powertrain Codes
Code
Type
P0xxx
Generic (SAE)
P1xxx
Manufacturer specific
P2xxx
Generic (SAE)
P30xx–P33xx
Manufacturer specific
P34xx–P39xx
Generic (SAE)
Chassis Codes
Code
Type
C0xxx
Generic (SAE)
C1xxx
Manufacturer specific
C2xxx
Manufacturer specific
C3xxx
Generic (SAE)
Body Codes
Code
Type
B0xxx
Generic (SAE)
B1xxx
Manufacturer specific
B2xxx
Manufacturer specific
B3xxx
Generic (SAE)
Network Communication Codes
Code
Type
U0xxx
Generic (SAE)
U1xxx
Manufacturer specific
U2xxx
Manufacturer specific
U3xxx
Generic (SAE)
4
Using the Scan Tool
4.1
The Scan Tool
1
2
3
4
5