Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming.
C0900
DTC C0900
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC C0900 00
- Device Voltage High - EBCM
Diagnostic Fault Information
Typical Scan Tool Data
Circuit/System Description
The electronic brake control module (EBCM) monitors the battery positive (B+) voltage level available for system operation. A high or low voltage
condition prevents the system from operating properly, and may cause damage to the system.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The battery voltage is greater than 16 V for 100 msec.
Action Taken When the DTC Sets
* The traction control system (TCS) and vehicle stability enhancement system (VSES) are disabled for the duration of the ignition cycle.
* The antilock brake system (ABS) is disabled if voltage exceeds 19.5 V.
* The EBCM requests the MIL to be turned ON.
* The BRAKE indicator turns ON.
* The antilock brake system (ABS) indicator turns ON if voltage exceeds 19.5 V.
* The vehicle dynamics caution (VDC) indicator turns ON.
* The driver information center (DIC) displays the SERVICE TRACTION CONTROL message.
* The DIC displays the SERVICE STABILITRAK message.
* The DIC displays the SERVICE BRAKES SOON message.
Conditions for Clearing the DTC
