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All Harley Davidson Diagnostic Codes

Full List of all Harley Davidson Diagnostic Codes

Below we collected a List of all Harley Davidson Diagnostic Codes you might come across. 


    Priority | DTC | Fault condition

  1. P0605 ECM FLASH Memory Error
  2. P0603 ECM EEPROM Memory Error
  3. U1300 ECM Serial Data Low
  4. U1301 ECM Serial Data High
  5. U1097 Loss of Speedometer Serial Data to ECM
  6. U1064 Loss of TSM/FSFM Serial Data to ECM
  7. P1003 System relay contacts open
  8. P1002 System Relay Coil High/Shorted
  9. P1001 System Relay Coil Open/Low
  10. P1004 System Relay Contacts Closed
  11. P1009 Incorrect Password
  12. P1010 Missing Password
  13. P06415 V+Vref 1 Out Of Range
  14. P06515 V+Vref 2 Out Of Range
  15. P0373 CKP Sensor Intermittent
  16. P0107 Map Sensor Open/Low
  17. P0108 Map Sensor High
  18. P0374 CKP Sensor Synch Error
  19. P1600 EFI Module Processor Internal Error
  20. P1270 TGS Validation Error
  21. P2107 EFI Module Processor Internal Fault
  22. P2122 TGS1 Low/Open
  23. P2123 TGS1 High
  24. P2127 TGS2 Low/Open
  25. P2128 TGS2 High
  26. P2138 TGS Correlation Error (Twist grip sensor)
  27. P0120 TPS1 Range Error
  28. P0220 TPS2 Range Error
  29. P0122 TPS1 Low
  30. P0123 TPS2 High/Open
  31. P0222 TPS2 Low
  32. P0223 TPS2 High/Open
  33. P2135 TPS Correlation Error
  34. P2119 EFI Motor Throttle Body Range Performance
  35. P2100 EFI Motor Circuit Open
  36. P2101 EFI Motor Circuit Range Performance (Actuation Error)
  37. P2102 EFI Motor Circuit Low
  38. P2103 EFI Motor Circuit High
  39. P2176 EFI Closed Position Not Learned
  40. P1514 Air Flow Fault
  41. P2105 EFI Forced engine shutdown
  42. P1501 Jiffy Stand Sensor Low
  43. P1502 Jiffy Stand Sensor High
  44. P0572 Brake Switch Low
  45. P0117 ET Sensor Low
  46. P0118 ET Sensor High
  47. P0112I AT Voltage Low
  48. P0113I AT Voltage Open/High
  49. P1351 Front Ignition Coil Driver Open/Low
  50. P1354 Rear Ignition Coil Driver Open/Low
  51. P1352 Front Ignition Coil Driver High/Shorted
  52. P1355 Rear Ignition Coil Driver High/Shorted
  53. P1357 Front Cylinder Combustion Intermittent
  54. P1358 Rear Cylinder Combustion Intermittent
  55. P0261 Front Injector Open/Low
  56. P0263 Rear Injector Open/Low
  57. P0262 Front Injector High
  58. P0264 Rear Injector High
  59. P0562 Battery Voltage Low
  60. P0563 Battery Voltage High
  61. P0501 VSS Sensor Low
  62. P0502 VSS Sensor High/Open..
  63. P1356 Rear Cylinder No Combustion
  64. P1353 Front Cylnder No Combustion
  65. P0444 Purge Solenoid Open/Low
  66. P0445 Purge Solenoid High
  67. P1475 Exhaust Actuation Position Error
  68. P1477 Exhaust Actuator Open/Low
  69. P1478 Exhaust Actuator Shorted/High
  70. P0131 Front Oxygen Sensor Low
  71. P0151 Rear Oxygen Sensor Low
  72. P0132 Front Oxygen Sensor High
  73. P0152 Rear Oxygen Sensor High
  74. P0134 Front Oxygen Sensor Inactive
  75. P0154 Rear Oxygen Sensor Inactive
  76. P1510 EFI Limited Performance Mode
  77. P1511 EFI Power Management Mode
  78. P1512 EFI Forced Idle Mode
  79. P0577 Cruise Control Input High 

   Priority | DTC | Fault condition

  1. U1300 Serial Data Low
  2. U1301 Serial Data High
  3. U1016 Loss of ECM Serial Data
  4. U1255 Serial Data Error
  5. B1142 Smart Security System Internal Fault
  6. B1135 Accelerometer Failed
  7. B1136(HFSM) Accelerometer Tip Test Error
  8. B1151 Bank Angle Sensor(BAS) Short to Ground
  9. B1152 Bank Angle Sensor(BAS) Short to Battery
  10. B1153 Bank Angle Sensor(BAS) High
  11. B1154 Clutch Switch Input Short to Ground
  12. B1155 Neutral Switch Input Short to Battery
  13. B1134 Starter Output High
  14. B1121(TSM) Left Turn Output Fault
  15. B1121(HFSM) Left Turn Output Open
  16. B1122(TSM) Right Turn Output Fault
  17. B1122(HFSM) Right Turn Output Open
  18. B1123(HFSM) Left Turn Output Short to Ground
  19. B1124(HFSM) Right Turn Output Short to Ground
  20. B1125(HFSM) Left Turn Output Short to Battery
  21. B1126(HFSM) Right Turn Output Short to Battery
  22. B1143(HFSM) Security Antenna Short to Ground
  23. B1144(HFSM) Security Antenna Short to Battery
  24. B1145(HFSM) Security Antenna Open
  25. B0563 Battery Voltage High
  26. B1131(HFSM) Alarm Output Low
  27. B1132(HFSM) Alarm Output High
  28. B1141(TSM) Ignition Switch Low/Open
  29. B1141(HFSM) Ignition Switch Low/Open


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