Description of DTC code P0560

As soon as the switch is turned to the on position, the PCM (Power Train Control Module) makes a check of the charging, battery, and starting system. When the engine is running, the PCM expects to see 13.8 to 14.4 volts in the system. If the voltage is within that range, the system is fully functional.

If the reading is below or above that range, the Check Engine light illuminates and the DTC code P0560 OBDII is set.

Symptoms of fault code P0560

  • The MIL (Motor Malfunction) light is illuminated.
  • Difficulties when starting.
  • The vehicle can brake unpredictably.
  • Fuel efficiency decreases.
  • Erratic transmission changes.

Causes of OBD2 P0560

The reasons for setting the fault code P0560 OBD2 are

  • The vehicle battery may not be adequate.
  • Short circuits in the wiring between the alternator and the battery.
  • Poor grounding connections.
  • Corrosion on the battery terminals or a bad adjustment of those terminals.
  • Perhaps the alternator is defective.
  • Excessive resistance in the associated wiring.

Possible solutions of the DTC code P0560

To solve the faults related to the diagnostic code P0560 OBDII, you must do this:

  • Check for TSB (Technical Service Bulletins).
  • Check that the battery is fully charged. Then, make sure the terminal connections are correct. If there are any defective cables, make the necessary repairs, or change them if necessary.
  • Check the voltages to the PCM. First, you must unplug the negative cable from the battery. After that, unplug the harness that goes to the Powertrain Control Module. Reconnect the battery cable and activate the power switch. With a DVOM, test the power circuit of the PCM, the red wire is for power and the black wire is for ground. If the voltage in this circuit is less than the battery voltage, there is a problem in the wiring from the PCM to the power switch, repair it.
  • Check that there is good ground in the PCM.
  • Replace the alternator.

Codes related to P0560

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