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
For a related thread to learn how to perform a readout of the DTC errors see this thread...
How to Use the Speedometer Self Diagnostics (WOW Test) - DIY
http://hdbitchin.com/index.php/topic,1078.0.html
For 2004 thru 2010 Harley Davidson DTC information see this related thread...
2004 thru 2010 DTC (Diagnostic Trouble Codes) - DIY
https://hdbitchin.com/index.php/topic,1076.0.html
For 2014 and Newer Project Rushmore Harley Davidson DTCs...
2014 and Newer Project Rushmore DTC Readout
https://hdbitchin.com/index.php/topic,3609.0.html
And for older Harley Davidson motorcycles see this related thread...
DTC List for 2003 and Older Harleys
https://hdbitchin.com/index.php/topic,1426.0.html