I just recently got my first Harley, and am loving it! However yesterday when riding the check engine light came on and off intermittently. It seemed to come on under heavier acceleration, and go off when on light throttle. Also the Battery light came on briefly and then went off. The bike has 2000 miles on it, and so far I have only ridden short trips, and some city riding. Is it possible it just needs to be plugged in to the battery tender, and charged? or could something be loose causing the check engine light to come on? Any suggestions would be greatly appreciated.

 

Try this. 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 2- Push odometer reset button in & hold. 3- Turn ignition switch to Ignition and release odometer reset button. Background lighting sould illuminate, speedometer needle should sweep its full range and indicator lamps (battery, security, low fuel, check engine and cruise) should illuminate. The word “diag” should then appear. 4 - Push the odometer reset button once and you will see the selection menu "PSSPt" with the first P flashing. 5 - Each letter represents an area of the diagnostics module. The module that is flashing is the one you are going to check. To move from one letter (module) to the next, you push the odometer reset button one time. (from P to S to SP to t and back to P, etc.) P = ECM/ICM (Electronic Control Module (EFI) / (Ignition Control Module, 'Carbureted') S = TSM/TSSM (Turn Signal/ Turn Signal Security Module) SP = speedometer T = tachometer 6 - To get the DTC within an area of diagnostics, push and hold the odometer reset button in for 5 seconds and release. If there are any DTC’s the code will be displayed or the word “none” will appear if there are no DTC’s. Push the odometer reset button again to view additional codes if they exist. 7 - Record the codes. 8 - If DTC’s are not to be cleared, Press and release the odometer reset button. Part number of module will be displayed. NOTE: To determine if a code is current or historic, clear the displayed code by pushing in and holding the odometer reset button ( longer than 5 seconds) until 'clear' comes up. Release the odometer reset button. Turn OFF the ignition switch. Run your bike and shut it down then recheck the DTC’s again by repeating steps 1 to 9. If the code is current it will reappear. 9 – Press and release the odometer reset button to continue to the next module. 10 – Turn Ignition switch to OFF. -------------------------- DTC FAULT CONDITION MODULE B0563 Battery Voltage High TSM/TSSM B1004 Fuel Level Sending Unit Low Instruments B1005 Fuel Level Sending Unit High/Open Instruments B1006 Accessory Line Overvoltage Instruments B1007 Ignition Line Overvoltage Instruments B1008 Reset Switch Closed Instruments B1131 Alarm Output Low TSM/TSSM B1132 Alarm Output High TSM/TSSM B1134 Starter Output High TSM/TSSM B1135 Accelerometer Fault TSM/TSSM B1151 Sidecar BAS Low TSM/TSSM B1152 Sidecar BAS High TSM/TSSM B1153 Sidecar BAS Out of Range TSM/TSSM P0106 MAP Sensor Rate of Range Error Carb P0107 Map Sensor Failed Open/Low Carb P0107 Map Sensor Open/Low EFI P0108 Map Sensor Failed High Carb P0108 Map Sensor High EFI P0112 IAT Sensor Voltage Low EFI P0113 IAT Sensor Voltage Open/High EFI P0117 ET Sensor Voltage Low EFI P0118 ET Sensor Voltage Open/High EFI P0122 TP Sensor Open/Low EFI P0123 TP Sensor High EFI P0261 Front Injector Open/Low EFI P0262 Front Injector High EFI P0263 Rear Injector Open/Low EFI P0264 Rear Injector High EFI P0373 CKP Sensor Intermittent Carb P0373 CKP Sensor Intermittent EFI P0374 CKP Sensor Not Detected Carb P0374 CKP Sensor Synch Error EFI P0501 VSS Low Carb P0501 VSS Low EFI P0502 VSS High/Open Carb P0502 VSS High/Open EFI P0505 Loss of Idle Sped Control EFI P0562 Battery Voltage Low Carb P0562 Battery Voltage Low EFI P0563 Battery Voltage High Carb P0563 Battery Voltage High EFI P0602 Calibration Memory Error Carb P0603 EEPROM Failure Carb P0603 ECM EEPROM Error EFI P0604 RAM Failure Carb P0605 Program Memory Error Carb P0605 ECM Flash Error EFI P0607 Converter Error Carb P1001 System Relay Coil Open/Low EFI P1002 System relay Coil High/Shorted EFI P1003 System relay Contacts Open EFI P1004 System Relay Contacts Closed EFI P1009 Incorrect Password Carb P1009 Incorrect Password EFI P1010 Missing Password Carb P1010 Missing Password EFI P1351 Front Ignition Open/Low Carb P1351 Front Ignition Open/Low EFI P1352 Front Ignition Coil High/Shorted Carb P1352 Front Ignition Coil High/Shorted EFI P1353 Front Cylinder No Combustion EFI P1354 Rear Ignition Coil Open/Low Carb P1354 Rear Ignition Coil Open/Low EFI P1355 Rear Ignition Coil High/Shorted Carb P1355 Rear Ignition Coil High/Shorted EFI P1356 Rear Cylinder No Combustion EFI P1357 Intermittent Secondary Front EFI P1358 Intermittent Secondary Rear EFI U1016 Loss of ICM/ECM Serial Data Instruments U1016 Loss of ECM Serial Data, Vehicle Speed, Vehicle Inhibit Motion or Powertrain Security Status TSM/TSSM U1064 Loss of TSM/TSSM Serial Data Carb U1064 Loss of TSM/TSSM Serial Data EFI U1064 Loss of TSM/TSSM Serial Data Instruments U1097 Loss of Speedometer Serial data Carb U1097 Loss of Speedometer Serial data EFI U1097 Loss of Speedometer Serial data TSM/TSSM U1255 Missing Message at Speedometer EFI U1255 Serial Data Error/Missing Message EFI U1255 Serial Data Error/Missing Message Instruments U1255 Serial Data Error/Missing Message TSM/TSSM U1300 Serial Data Low Carb U1300 Serial Data Low EFI U1300 Serial Data Low Instruments U1300 Serial Data Low TSM/TSSM U1301 Serial Data Open/High Carb U1301 Serial Data Open/High EFI U1301 Serial Data Open/High Instruments U1301 Serial Data Open/High TSM/TSSM ----------------------- AFR – Air Fuel Ratio ATS – Air Temperature Sensor BAS – Bank Angle Sensor CCM – Cruise Control Module CKP – Crank Position Sensor. The CKP generates an “AC signal” which is sent to the ECM where it is used to reference engine position (TDC) and speed. DTC – Diagnostic Trouble Codes ECM – Electronic Control Module. (The Computer) Computes the spark advance for proper ignition timing and fuel control based on sensor inputs (from CKP, MAP & TP sensors) and controls the low-voltage circuits for the ignition coils and injectors. The dwell time for the ignition coil is also calculated in the microprocessor and is dependent upon battery voltage. The programmed dwell feature gives adequate spark at all speeds. ECT – Engine Coolant Temperature. Sensor also controls the cooling fan relay that provides 12 Vdc to the fans. EFI – Electronic Fuel Injection EFP – Electronic Fuel Pump ET – Engine Temperature sensor FI – Fuel Injectors FPR – Fuel Pressure regulator IAC – Idle Air Control actuator IAT – Intake Air Temperature sensor ISS – Ion Sensing System…detonation detection MAP – manifold Absolute Pressure sensor. The MAP sensor monitors the intake manifold pressure (vacuum) and sends the information to the ECM. The EMC then adjusts the spark and fuel-timing advance curves for optimum performance. TP – Throttle Position Sensor TSM/TSSM (Turn Signal/ Turn Signal Security Module) VE – Volume Efficiency VSS – Vehicle Speed Sensor. Used as an input for idle speed control

 

Thanks so much for your suggestions! Im heading out to the garage to try it now! Thanks again

 

Sounds like a loose battery cable.

 

+1 clean and tighten batt cables at the batt, starter and engine ground.

 

any solution you came up with? mine has started to do the same thing. both the battery light and check engine light come on at different times. never really seems like at any particular part in a ride just come on. some times its under acceleration sometimes its just sittin in the driveway idleing.