ELECTRICAL 26 Sr No DTC No Code Description Probable causes Rectification/Repair actions 3 U3006 - 17 Control Module Input Power "A" - circuit voltage above threshold 1) Fuses in Fuse box 2) Battery Supply line 3) Alternator overcharging 1) Check wiring Connections & connectors of power supply if damaged than Replace the vehicle wiring harness or connector. 2) Measure supply voltage (> 11.5 V) at ECU power supply connector from wiring harness side if voltage is > 16V than check the battery if required replace/repair the battery. 3)Check resistance between vehicle ground and ground at the power supply connector(should be <1 ohm) if resistance did not meet the requirement check the wiring connection and if problem still persist than replace the wiring harness. 4) Check the fuses in Fuse box (JCase Fuse (60 Amp)) if fuse is blown than replace a fuse. 5) Check the power supply line for short circuit if persist change the wiring harness. 6) Check alternator voltage (13.5 V to 14.5 V in engine running condition) if output is not correct than repair / replace the alternator. 4 U1006 - 42 Control Module Internal - general memory failure 1) Internal ECU failure. 1) Reset the ECU. Remove the power supply plug connector from ECU and reconnect after about 5 minutes. If DTC are still persists than replace the ECU. 5 U1006 - 4B Control Module Internal - over temperature 1) Internal ECU failure. 1) Reset the ECU. Remove the power supply plug connector from ECU and reconnect after about 5 minutes. If DTC are still persists than replace the ECU. 6 U1006 - 04 Control Module Internal - System Internal Failures 1) Internal ECU failure. 1) Reset the ECU. Remove the power supply plug connector from ECU and reconnect after about 5 minutes. 2) Or Reflash EPAS ECU. Reset the ECU. Remove the power plug from ECU and reconnect after about 5 minutes. If DTC are still persist than replace the ECU. 7 U1006 - 49 Control Module Internal - internal electronic failure 1) Internal ECU failure. 1) Reset the ECU. Remove the power plug from ECU and reconnect after about 5 minutes. If DTC are still persist than replace the ECU. 8 P0602 - 54 Control Module Programming Error - missing calibration 1) Tuning file (calibration software for variant specific) missing in EPAS ECU 1) Check for calibration file mismatch /Re-flash the ECU with the correct calibration file version.
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