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DTC Code Glossary

Look up any of the 1,527 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus (-) shorted to Bus (+)
U0010
Medium Speed CAN Communication Bus
U0011
Medium Speed CAN Communication Bus Performance
U0012
Medium Speed CAN Communication Bus (+) Open
U0013
Medium Speed CAN Communication Bus (+) Low
U0014
Medium Speed CAN Communication Bus (+) High
U0015
Medium Speed CAN Communication Bus (-) Open
U0016
Medium Speed CAN Communication Bus (-) Low
U0017
Medium Speed CAN Communication Bus (-) High
U0018
Medium Speed CAN Communication Bus (-) shorted to Bus (+)
U0019
Low Speed CAN Communication Bus
U0020
Low Speed CAN Communication Bus Performance
U0021
Low Speed CAN Communication Bus (+) Open
U0022
Low Speed CAN Communication Bus (+) Low
U0023
Low Speed CAN Communication Bus (+) High
U0024
Low Speed CAN Communication Bus (-) Open
U0025
Low Speed CAN Communication Bus (-) Low
U0026
Low Speed CAN Communication Bus (-) High
U0027
Low Speed CAN Communication Bus (-) shorted to Bus (+)
U0028
Vehicle Communication Bus A
U0029
Vehicle Communication Bus A Performance
U0030
Vehicle Communication Bus A (+) Open
U0031
Vehicle Communication Bus A (+) Low
U0032
Vehicle Communication Bus A (+) High
U0033
Vehicle Communication Bus A (-) Open
U0034
Vehicle Communication Bus A (-) Low
U0035
Vehicle Communication Bus A (-) High
U0036
Vehicle Communication Bus A (-) shorted to Bus A (+)
U0037
Vehicle Communication Bus B
U0038
Vehicle Communication Bus B Performance
U0039
Vehicle Communication Bus B (+) Open
U0040
Vehicle Communication Bus B (+) Low
U0041
Vehicle Communication Bus B (+) High
U0042
Vehicle Communication Bus B (-) Open
U0043
Vehicle Communication Bus B (-) Low
U0044
Vehicle Communication Bus B (-) High
U0045
Vehicle Communication Bus B (-) shorted to Bus B (+)
U0046
Vehicle Communication Bus C
U0047
Vehicle Communication Bus C Performance
U0048
Vehicle Communication Bus C (+) Open
U0049
Vehicle Communication Bus C (+) Low
U0050
Vehicle Communication Bus C (+) High
U0051
Vehicle Communication Bus C (-) Open
U0052
Vehicle Communication Bus C (-) Low
U0053
Vehicle Communication Bus C (-) High
U0054
Vehicle Communication Bus C (-) shorted to Bus C (+)
U0055
Vehicle Communication Bus D
U0056
Vehicle Communication Bus D Performance
U0057
Vehicle Communication Bus D (+) Open
U0058
Vehicle Communication Bus D (+) Low
U0059
Vehicle Communication Bus D (+) High
U0060
Vehicle Communication Bus D (-) Open
U0061
Vehicle Communication Bus D (-) Low
U0062
Vehicle Communication Bus D (-) High
U0063
Vehicle Communication Bus D (-) shorted to Bus D (+)
U0064
Vehicle Communication Bus E
U0065
Vehicle Communication Bus E Performance
U0066
Vehicle Communication Bus E (+) Open
U0067
Vehicle Communication Bus E (+) Low
U0068
Vehicle Communication Bus E (+) High
U0069
Vehicle Communication Bus E (-) Open
U0070
Vehicle Communication Bus E (-) Low
U0071
Vehicle Communication Bus E (-) High
U0072
Vehicle Communication Bus E (-) shorted to Bus E (+)
U0073
Control Module Communication Bus A Off
U0074
Control Module Communication Bus B Off
U0075
Control Module Communication Bus C Off
U0076
Control Module Communication Bus D Off
U0077
Control Module Communication Bus E Off
U0078
Control Module Communication Bus F Off
U0079
Control Module Communication Bus G Off
U007A
Control Module Communication Bus H Off
U007B
Control Module Communication Bus I Off
U007C
Control Module Communication Bus J Off
U007D
Control Module Communication Bus K Off
U007E
Control Module Communication Bus L Off
U007F
Control Module Communication Bus M Off
U0080
Vehicle Communication Bus F
U0081
Vehicle Communication Bus F Performance
U0082
Vehicle Communication Bus F + Open
U0083
Vehicle Communication Bus F + Low
U0084
Vehicle Communication Bus F + High
U0085
Vehicle Communication Bus F - Open
U0086
Vehicle Communication Bus F - Low
U0087
Vehicle Communication Bus F - High
U0088
Vehicle Communication Bus F - Shorted to Bus F +
U0089
Vehicle Communication Bus G
U008A
Vehicle Communication Bus G Performance
U008B
Vehicle Communication Bus G (+) Open
U008C
Vehicle Communication Bus G (+) Low
U008D
Vehicle Communication Bus G (+) High
U008E
Vehicle Communication Bus G (-) Open