U05xx
Network and communication
No open-source descriptions exist for this system, so its codes are read from their structure.
Standardised (SAE/ISO). Standardised meaning, consistent across manufacturers.
U0500
U0501
U0502
U0503
U0504
U0505
U0506
U0507
U0508
U0509
U050A
U050B
U050C
U050D
U050E
U050F
U0510
U0511
U0512
U0513
U0514
U0515
U0516
U0517
U0518
U0519
U051A
U051B
U051C
U051D
U051E
U051F
U0520
U0521
U0522
U0523
U0524
U0525
U0526
U0527
U0528
U0529
U052A
U052B
U052C
U052D
U052E
U052F
U0530
U0531
U0532
U0533
U0534
U0535
U0536
U0537
U0538
U0539
U053A
U053B
U053C
U053D
U053E
U053F
U0540
U0541
U0542
U0543
U0544
U0545
U0546
U0547
U0548
U0549
U054A
U054B
U054C
U054D
U054E
U054F
U0550
U0551
U0552
U0553
U0554
U0555
U0556
U0557
U0558
U0559
U055A
U055B
U055C
U055D
U055E
U055F
U0560
U0561
U0562
U0563
U0564
U0565
U0566
U0567
U0568
U0569
U056A
U056B
U056C
U056D
U056E
U056F
U0570
U0571
U0572
U0573
U0574
U0575
U0576
U0577
U0578
U0579
U057A
U057B
U057C
U057D
U057E
U057F
U0580
U0581
U0582
U0583
U0584
U0585
U0586
U0587
U0588
U0589
U058A
U058B
U058C
U058D
U058E
U058F
U0590
U0591
U0592
U0593
U0594
U0595
U0596
U0597
U0598
U0599
U059A
U059B
U059C
U059D
U059E
U059F
U05A0
U05A1
U05A2
U05A3
U05A4
U05A5
U05A6
U05A7
U05A8
U05A9
U05AA
U05AB
U05AC
U05AD
U05AE
U05AF
U05B0
U05B1
U05B2
U05B3
U05B4
U05B5
U05B6
U05B7
U05B8
U05B9
U05BA
U05BB
U05BC
U05BD
U05BE
U05BF
U05C0
U05C1
U05C2
U05C3
U05C4
U05C5
U05C6
U05C7
U05C8
U05C9
U05CA
U05CB
U05CC
U05CD
U05CE
U05CF
U05D0
U05D1
U05D2
U05D3
U05D4
U05D5
U05D6
U05D7
U05D8
U05D9
U05DA
U05DB
U05DC
U05DD
U05DE
U05DF
U05E0
U05E1
U05E2
U05E3
U05E4
U05E5
U05E6
U05E7
U05E8
U05E9
U05EA
U05EB
U05EC
U05ED
U05EE
U05EF
U05F0
U05F1
U05F2
U05F3
U05F4
U05F5
U05F6
U05F7
U05F8
U05F9
U05FA
U05FB
U05FC
U05FD
U05FE
U05FF
Read this code from your own car
Plug an ELM327 adapter into the OBD-II port under the dashboard. Pin16 reads every stored, pending and permanent code, explains each one like this page does — offline, with no account — and shows what the car recorded when the fault was set.