C2101–BATTERY VOLTAGE HIGH





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    Continuously.

  • Set Condition:

    The All Wheel Drive Control Module detects that system voltage is above 17.0 volts for more than 10 seconds.


Possible Causes
 
CHARGING SYSTEM DTCS PRESENT
 
(Z967) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
 
ALL WHEEL DRIVE (AWD) CONTROL MODULE
 
TOTALLY INTEGRATED POWER MODULE (TIPM)
 




Diagnostic Test

1.CHARGING SYSTEM DTCS PRESENT




Are there any Charging System or related voltage DTCs present?

Yes
  • Refer to the symptom list and perform any Charging System DTC diagnostic procedures before continuing with this test.


No
  • Go to 2

2.CHECK FOR ACTIVE DTC

NOTE: Leave the ignition on for 15 seconds.




Is the DTC active at this time?

Yes
  • Go to 3


No
  • Go to 7

3.CHECK THE TIPM FUSED B(+) VOLTAGE





Is the voltage below 17 volts?

Yes
  • Go to 4


No
  • Go to 6

4.CHECK THE TIPM IGNITION SWITCH OUTPUT RUN/START VOLTAGE





Is the voltage below 17 volts?

Yes
  • Go to 5


No
  • Go to 6

5.AWD CONTROL MODULE

NOTE: Before continuing, check the AWD Module harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.





Were any problems found?

Repair

6.TOTALLY INTEGRATED POWER MODULE

NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.





Were any problems found?

Repair

7.INTERMITTENT WIRING AND CONNECTORS






Were there any problems found?

Yes


No
  • Test Complete.