Electrical Information Reference
The driver information center (DIC) may display a "Charging System Failure"
message. This message being displayed is the result of a message being sent by the
engine control module (ECM), instrument panel module (IPM), dash integration module
(DIM) or the instrument panel cluster (IPC) to the DIC. Each module has a different
criteria for requesting the message to be displayed.
Caution: Refer to Safety Glasses Caution in the Preface section.
- Turn off all accessories.
- With a scan tool, observe the Battery Voltage parameter in the IPM or
DIM data list, ECM data list and the IPC) data list.
- The voltage should be between 11.9 volts and 15.9 volts.
If not within this range carry out charging system test.
- The voltage should be within 1 volt of each other. If not
within 1 volt carry out circuit testing.
- If no fault in circuit replace the affected module.
Repair Instructions
Engine Control Module Replacement
.