In 2011 Harley Davidson introduced on the Softail models a CAN Bus (or HD LAN as it has also been called). The CAN Bus adds additional DTCs.

Are you a CAN Bus Harley Davidson? Here is a list of the models and years that the CAN Bus or HD LAN was started...



2014 Touring

The below list adds the CAN Bus errors which are additional DTCs seen on CAN Bus motorcycle diagnostics.

Harley Sensor and Motor Codes

POO51 Heater Control Circuit 02 Sensor Low

PO106 Map Sensor Rate of Range Error

P0107 Map Sensor Failed Open/Low

P0108 Map Sensor Failed High

P0112 IAT Sensor Voltage Low

P0113 IAT Sensor Voltage Open / High

P0117 ET Sensor Voltage Low

P0118 ET Sensor Voltage Open / High

P0120 TPS1 Range Error TPS

P0122 TPS1 Low TPS

P0123 TPS1 High / Open TPS

P0131 Front 02 Sensor Low (lean)

P0132 Front 02 Sensor High (rich)

P0134 Front 02 Sensor Open / Not Responding

P0151 Rear 02 Sensor Low (lean)

P0152 Rear 02 Sensor High (rich)

P0154 Rear 02 Sensor Open / Not Responding

P0220 TPS2 Range Error

P0222 TPS2 Low TPS

P0223 TPS2 High/Open

P0261 Front Injector Open/Low

P0262 Front Injector High

P0263 Rear Injector Open/Low

P0264 Rear Injector High (CAN-Bus)

P0264 Rear Injector Open/Low

P0265 Rear Injector High

P0371 Crank Position Sensor, Too Many Pulses

P0372 Crank Position Sensor, Too Few Pulses

P0373 CKP Sensor Intermittent

P0374 CKP Sensor Not Detected

P0444 Purge Solenoid (Evap. Canister) Open/Low

P0445 Purge Solenoid (Evap. Canister) High

P0501 VSS Low

P0502 VSS High/Open (Can-Bus)

P0502 VSS Speed Failed Low

P0503 VSS Speed Failed High

P0505 Loss of Idle Speed Control

P0506 Idle Speed Control RPM Too Low

P0507 Idle Air Control System RPM Higher Than Expected

P0562 Battery Voltage Low

P0563 Battery Voltage High

P0572 Brake Switch Low

P0577 Cruise Control Input High

P0602 Calibration Memory Error

P0603 ECM EEPROM Failure

P0604 RAM Failure

P0605 ECM Flash Error

P0607 Converter Error

P0641 5V+Vref 1 Out of Range

P0651 5V+Vref 2 Out of Range

P0661 Intake Solenoid Low/Open

P0662 Intake Solenoid High/Shorted

P1001 System Relay Coil Open/Low

P1002 System Relay Coil High/Shorted

P1003 System Relay Contacts Open

P1004 System Relay Contacts Closed

P1009 Incorrect Password

P1010 Missing Password

P1270 TGS Validation Error

P1351 Front Ignition Open/Low

P1352 Front Ignition Coil High/Shorted

P1353 Front Cylinder No Combustion

P1354 Rear Ignition Coil Open/Low

P1355 Rear Ignition Coil High/Shorted

P1356 Rear Cylinder No Combustion

P1357 Front Intermittent Secondary Combustion

P1358 Rear Intermittent Secondary Combustion

P1475 Exhaust Actuation Position Error

P1477 Exhaust Actuator Open/Low

P1478 Exhaust Actuator Shorted/High

P1501 Jiffy Stand Sensor Low

P1502 Jiffy Stand Sensor High

P1510 EFI Limited Performance Mode (TBW)

P1511 EFI Power Management Mode

P1512 EFI Forced Idle Mode

P1514 Air Flow Fault (TBW)

P1600 EFI Module Processor Internal Error

P1632 Odometer Learned Up

P2100 EFI TCA Motor Circuit Open (TBW)

P2101 EFI TCA Motor Circuit Range/Performance

P2102 EFI TCA Motor Circuit Low

P2103 EFI TCA Motor Circuit High

P2105 EFI Forced Engine Shutdown

P2107 EFI Module Control Processor Internal Fault

P2119 EFI Motor Throttle Body Range Performance (TBW)

P2122 TGS1 Low/Open

P2123 TGS1 High

P2127 TGS2 Low/Open

P2128 TGS2 High

P2135 TPS Voltage Correlation Error

P2138 TGS Voltage Correlation Error

P2176 EFI Closed Postion Not Learned

P2300 Front Ignition Coil Driver Low/Open

P2301 Front Ignition Coil Driver High/Shortened

P2303 Rear Ignition Coil Driver Low/Open

P2304 Rear Ignition Coil Driver High/Shortened



Harley ABS and Power Circuit Codes

C0562 Device Voltage Low

C0563 Device Voltage High

C1014 ECU Internal Fault ABS

C1017 Pump Motor Power Circuit Fault

C1018 Pump Motor Ground High Resistance Fault

C1021 Front Wheel Speed Sensor Equals Zero

C1023 Rear Wheel Speed Sensor Equals Zero

C1025 Front Wheel Speed Signal Intermittent

C1027 Front Wheel Speed Frequency Out Of Range

C1032 Front Wheel Speed Sensor Open or Shorted

C1034 Rear Wheel Speed Sensor Open or Shorted

C1041 Rear Actuator Circuit Low/Open

C1042 Front Actuator Circuit Open

C1043 Pump Motor Stalled

C1044 Rear Actuator Circuit Open

C1052 Rear Actuator Circuit High

C1055 ABS ECU Internal Fault

C1066 ECU Internal Fault

C1094 Front Brake Switch Always On

C1095 Front Brake Switch Open

C1102 Rear Actuator Motor Stalled

C1118 ECU Internal Fault

C1121 ECU Internal Fault

C1151 Front Wheel Release Too Long

C1153 Rear Wheel Release Too Long

C1158 Calibration Programming Required

C1178 No VIN Received From ECM

C1184 VIN Does Not Match ABS ECU Calibration

C1192 Front Actuator Circuit High

C1193 Front Actuator Motor Stalled/td>

C1206 Front Wheel Speed Sensor Frequency Out of Range

C1207 Rear Wheel Speed Signal Intermittent

C1208 Rear Wheel Speed Sensor Frequency Out of Range

C1212 Front or Rear Brake not Applied With Decel

C1214 Rear Brake Switch Always On

C1216 Rear Brake Switch Open

C1222 ABS Voltage Low Terminal 11

C1223 ABS Voltage Low Terminal 20

C1224 Front Actuator Power Shorted High

C1225 Rear Actuator Power Shorted High

C1561 Front Apply Solenoid Circuit Open or High

C1562 Front Apply Solenoid Circuit Shorted Low

C1563 Front Solenoid Circuit Shorted High

C1564 Front Release Solenoid Circuit Open or High

C1565 Front Release Solenoid Circuit Shorted Low

C1567 Rear Apply Solenoid Circuit Open or High

C1568 Rear Apply Solenoid Circuit Shorted Low

C1571 Rear Solenoid Circuit Shorted High

C1572 Rear Release Solenoid Circuit Open or High Resistance

C1573 Rear Realease Solenoid Circuit Shorted Low



Harley Battery, Ignition, Lighting Codes

B0563 Battery Voltage High TSM / TSSM

B1004 Fuel Level Sending Unit Low Instruments

B1005 Fuel Level Sending Unit High / Open

B1006 Accessory Line Overvoltage

B1007 Ignition Line Overvoltage Instruments

B1008 Reset Switch Closed Instruments

B1101 LHCM Turn Signal Bulb Out

B1103 LHCM Internal Fault

B1121 Left Turn Output Fault TSM / TSSM

B1122 Right Turn Output Fault TSM / TSSM

B1123 Left Turn Output Short to Ground TSM/TSSM

B1124 Right Turn Output Short to Ground TSM/TSSM

B1125 Left Turn Output Short to Battery TSM/TSSM

B1126 Right Turn Output Short to Battery TSM/TSSM

B1131 Alarm Output Low TSSM

B1132 Alarm Output High TSSM

B1134 Starter Output High TSM/TSSM

B1135 Accelerometer Fault TSM/TSSM

B1136 Accelerometer Tip Test Error TSSM

B1141 Ignition Switch Open / Low TSSM

B1142 Smart Security System Internal Fault TSSM

B1143 Security Antenna Short To Ground TSSM

B1144 Security Antenna Short To Battery TSSM

B1145 Security Antenna Open TSSM

B1151 (Sidecar) BAS Low TSM/TSSM

B1151 RHCM Turn Signal Bulb Out

B1152 (Sidecar) BAS High TSM/TSSM

B1153 (Sidecar) BAS Out Of Range TSM/TSSM

B1153 RHCM Internal Fault

B1154 Clutch Switch Input Short To Ground

B1155 Neutral Switch Input Short To Battery

B1200 Instrument Internal Fault

B1210 Fuel Sender Shorted Low / Fuel Gauge Circuit

B1211 Fuel Sender Shorted High / Open

B2102 System Power Output Shorted High

B2103 System Power Output Shorted Low

B2104 System Power Output Overloaded

B2107 Front Position / Running Power Output Shorted High

B2108 Front Position / Running Power Output Shorted Low

B2109 Front Position / Running Power Output Overloaded

B2112 Accessory Output Shorted High

B2113 Accessory Output Shorted Low

B2114 Accessory Output Overloaded

B2116 Fuel Pump Output Open

B2117 Fuel Pump Output Shorted High

B2118 Fuel Pump Output Shorted Low

B2119 Fuel Pump Output Overloaded

B2121 Starter Output Open/BCM Malfunction

B2122 Starter Output Shorted High

B2123 Starter Output Shorted Low

B2124 Starter Output Overloaded

B2126 Horn Output Open

B2127 Horn Output Shorted High

B2128 Horn Output Shorted Low

B2129 Horn Output Overloaded

B2131 High Beam Output Open

B2132 High Beam Output Shorted High

B2133 High Beam Output Shorted Low

B2134 High Beam Output Overloaded

B2136 Low Beam Output Open

B2137 Low Beam Output Shorted High

B2138 Low Beam Output Shorted Low

B2139 Low Beam Output Overloaded

B2141 Left Front Turn Signal Output Open

B2143 Left Front Turn Signal Output Shorted Low

B2144 Left Front Turn Signal Output Overloaded

B2146 Right Front Turn Signal Output Open

B2148 Right Front Turn Signal Output Shorted Low

B2149 Right Front Turn Signal Output Overloaded

B2151 Left Rear Turn Signal Output Open

B2153 Left Rear Turn Signal Output Shorted Low

B2154 Left Rear Turn Signal Output Overloaded

B2156 Right Rear Turn Signal Output Open

B2158 Right Rear Turn Signal Output Shorted Low

B2159 Right Rear Turn Signal Output Overloaded

B2161 Brake Lamp Output Open

B2163 Brake Lamp Output Shorted Low

B2164 Brake Lamp Output Overloaded

B2166 Running Lights Output Open

B2168 Running Lights Output Shorted High

B2169 Running Lights Output Shorted Low

B2172 Security Siren Output Shorted High

B2173 Security Siren Output Shorted Low

B2176 Security Antenna Output Open

B2177 Security Antenna Output Shorted High

B2178 Security Antenna Output Shorted Low

B2203 Ignition Switch Input Shorted Low

B2206 Engine Stop Switch Input Open/Shorted High

B2208 Engine Stop Switch Input Shorted Low

B2218 Neutral Switch Shorted Low

B2223 Rear Brake Switch Shorted Low

B2250 Clutch Switch Stuck

B2251 Horn Switch Stuck

B2252 High Beam Switch Stuck

B2253 Low Beam Switch Stuck

B2254 Left Turn Switch Stuck

B2255 Trip Switch Stuck

B2260 Start Switch Stuck

B2261 Right Turn Switch Stuck

B2262 Front Brake Switch Stuck

B2263 Hazard Switch Stuck

B2270 BCM Internal Fault

B2271 BCM Low Voltage

B2272 BCM or Speedometer Voltage High

B2274 Constant Battery Line Fault

Harley CAN Bus Codes

U0001 CAN bus Fault

U0011 CAN bus Low Shorted / Can bus High

U0100 Lost Communication With ECM

U0121 Lost Communication With ABS

U0140 Lost Communication With BCM

U0141 Lost Communication With LHCM

U0142 Lost Communication With RHCM

U0156 Lost Communication With Speedometer

U1016 Loss of ICM/ECM Serial Data

U1040 Loss OF Communication With ABS

U1064 Loss Of TSM/TSSM Serial Data

U1097 Loss Of Speedometer Serial Data

U1255 Missing Message at Speedometer EFI

U1300 Serial Data Low

U1301 Serial Data Open/High

U1302 Infotainment Bus Off

U1306 Infotainment Bus Lost Communication With Handsfree Phone

U1307 Infotainment Bus Lost Communication With CB

U1308 Infotainment Bus Lost Communication With Future

U1312 Infotainment Bus Lost Communication With Future

U1313 Infotainment Bus Lost Communication With Radio Satellite

U1314 Infotainment Bus Lost Communication With Navigation

U1317 Infotainment Bus Lost Communication With High-Out Amplifier

Harley Radio Diagnostic

B2006 Radio Switch Stuck or Open

B2007 Handlebar Switch Shorted High

B2008 Handlebar Switch Shorted Low

B2009 Handlebar Switch Stuck or Open

B2010 Passenger Switch Shorted High

B2011 Passenger Switch Shorted Low

B2012 Passenger Switch Stuck or Open

B2013 Sidecar Switch Shorted High

B2014 Sidecar Switch Shorted Low

B2015 Sidecar Switch Stuck or Open

B2016 Front Speaker Shortened R1.0 Ohm When Setup

B2017 Front Speaker Opened R>100 Ohms Tested Once per Ignition Cycle Ignition ON after Ignition Off for 10 sec.

B2018 Front Speaker Shortened to Ground Ignition ON After Ignition OFF for 10 sec.

B2019 Front Speaker Shortened to Battery Ignition ON After Ignition OFF for 10 sec.

B2020 Rear Speaker Shortened R1.0 Ohm When Setup

B2021 Rear Speaker Opened R>100 Ohms Tested Once Per Ignition Cycle Ignition ON After Ignition

B2022 Rear Speaker Shortened to Ground Ignition ON After Ignition OFF for 10 sec.

B2023 Rear Speaker Shortened to Battery Ignition ON After Ignition OFF for 10 sec.

B2024 Sidecar Speaker Shortened R1.0 Ohm

B2025 Sidecar Speaker Opened R>100 Ohms Tested Once Per Ignition Cycle Ignition ON After Ignition OFF for 10 sec.

B2026 Sidecar Speaker Shortened to Ground Ignition ON After Ignition OFF for 10 sec.

B2027 Sidecar Speaker Shortened to Battery Ignition ON After Ignition OFF for 10 sec.

Harley-Davidson Fault Code Abbreviations



ABS – Anti-Lock Braking System

ACR – Automatic Compression Release

AFR – Air Fuel Ratio

AIS – Active Intake Solenoid

ATS – Air Temperature Sensor

BAS – Bank Angle Sensor

BCM – Body Control Module

CAN – Controller Area Network

CCM – Cruise Control Module

CKP – Crank Position Sensor

DLC – Datalink Connector

DTC – Diagnostic Trouble Codes

ECM – Electronic Control Module

ECT – Engine Coolant Temperature

ECU – Electronic Control Unit

EFI – Electronic Fuel Injection

EFP – Electronic Fuel Pump

ET – Engine Temperature sensor

FI – Fuel Injectors

FPR – Fuel Pressure regulator

H-DSSS – Harley-Davidson Smart Security System

HCU – Hydraulic Control Unit, ABS

HFSM – Hands Free Security Module

HO2S – Heated Oxygen Sensor

IAC – Idle Air Control actuator

IAT – Intake Air Temperature sensor

ICM – Ignition Control Module

IMAP – MAP + IAT in one unit

ISS – Ion Sensing System

JSS – Jiffy Stand Sensor

LHCM – Left Hand Control Module

MAP – Manifold Absolute Pressure Sensor

MHR – Right Hand Control Module

RCM – Reverse Control Module

TCA – Throttle Control Actuator

TGS – Twist Grip Sensor

TMAP – Intake Air Temperature / Manifold Absolute Pressure equipment

TPS – Throttle Position Sensor

TSM / TSSM – (Turn Signal / Turn Signal Security Module)

VE – Volume Efficiency

VIN – Vehicle identification number

VSS – Vehicle Speed ​​Sensor

WSS – Wheel Speed ​​Sensor YOU CAN RETRIEVE THE CODES THRU THE SPEEDOMETER THE SAME WAY AS IN THE PAST, the part numbers of the failed part will also show. EACH SYSTEM, can be scanned IE THE ENGINE, DRIVE TRAIN AND ELECTRONICS INCLUDING THE SOUND SYSTEM