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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–29 DTC P0560/Flashing Code 72 System Voltage Malfunction D07RX017 Circuit Description Circuit RED/WHT is the battery voltage feed for the PCM. Conditions For Clearing The DTC System Voltage Low: D Engine speed is greater than 1,000 rpm. D System voltage is less than 10 volts at a maximum ° C (302 ° F). D System voltage is less than 7.3 volts at a minimum ° C (–40 ° F). D All conditions met for 4 seconds. System Voltage High: D System voltage is greater than 16 volts for 2 seconds. Action Taken When The DTC Sets D Fixed to 4th gear. D Maximum line pressure. D Inhibit TCC engagement. D The PCM will illuminate the CHECK TRANS Lamp. Conditions For Clearing The DTC/CHECK D The PCM will turn off the CHECK TRANS lamp after D The DTC can be cleared from the PCM history by D The DTC will be cleared from history when the vehicle D The PCM will cancel the DTC default actions when Diagnostic Aids D Charging the battery with a battery charger and jump D Check for faulty connections at the starter solenoid or D Check for loose/damaged terminals at generator. D Check belt wear/tension. Test Description The numbers below refer to the step numbers on the |