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NOTE If DTC P0603 or P0605 occur during normal operation, replace ECM. Reprogram and learn password. If DTC P0603 or P0605 occur during or after reprogram- Power down the vehicle. Wait 10 seconds. Attempt to reprogram ECM using correct calibration. Restart vehicle. If code reappears, replace ECM. 2006 Softail: Engine Management (EFI)
DIAGNOSTICS These codes are set under two conditions. ming, perform the following: DTC P0603 Clear codes. Turn ignition ON, Replace ECM if codes reappear. DTC P0605 Clear codes. Power down the vehicle.
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DTC P0603, P0605 Table 5-39. The codes listed indicate a failure which requires replacement of the ECM. See the Softail Service Manual for replacement information. NOTE After replacing ECM; reprogram, perform password learning procedure and clear codes. ECM must be reprogrammed using a computer based diagnostic package called DIGITAL TECHNICIAN (Part No. HD-44750). See your dealer. Pass- word learn procedure must also be performed. See Table 5-39. Code Description DESCRIPTION ECM EEPROM error ECM flash error
HOME GENERAL ECM Failure See PASSWORD LEARN. DTC P0603 P0605