C2101–BATTERY VOLTAGE HIGH
For a complete wiring diagram Refer to Section 8W
Possible Causes
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INTERMITTENT BATTERY VOLTAGE HIGH
|
CHARGING SYSTEM DTCS PRESENT
|
AUTOMATIC SWAY-BAR SYSTEM POWER CIRCUITS OPEN OR HIGH RESISTANCE
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AUTOMATIC SWAY-BAR SYSTEM (ASBS)
|
Diagnostic Test
1.
CHARGING SYSTEM DTCS PRESENT
Ignition on.
With the scan tool, select View DTCs in the Powertrain Control Module.
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
2.
DTC IS ACTIVE
With the scan tool, select View DTCs in the ASBS Module.
Is the status Active for this DTC?
Yes
No
3.
AUTOMATIC SWAY-BAR SYSTEM (ASBS) MODULE GROUND CIRCUITS OPEN OR HIGH RESISTANCE
Turn the ignition off.
Disconnect the ASBS harness connector.
With a 12–volt test light connected to B+, check the Ground circuits in the ASBS harness connector.
NOTE:
The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly for each of the Ground circuits?
Yes
No
4.
AUTOMATIC SWAY-BAR SYSTEM (ASBS) MODULE
View repair.
Repair
5.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
No