P0562-ECM VOLTAGE TOO LOW





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    With the ignition on or the engine running.

  • Set Condition:

    The ECM detects battery voltage of 9.9 volts or less for 0.48 seconds.


Possible Causes
 
CHECKING ECM POWER AND GROUNDS
 
ECM
 
INTERMITTENT CONDITION
 


Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)



Diagnostic Test

1.CHECK FOR ACTIVE DTC



NOTE: This DTC may be caused by a charging system problem. Refer to the Service Information and verify proper charging system operation before continuing.






Did this DTC set again?

Yes
  • Go To 2


No
  • Go To 3

2.CHECK POWER AND GROUNDS



Were any problem found with the ECM powers and grounds?

Yes


No

3.INTERMITTENT CONDITION

WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.


NOTE: The conditions that set the DTC are not present at this time. The following list may help in identifying the intermittent condition.








Were any of the above conditions present?

Yes


No
  • Test Complete.