ABS Light: Description and Operation

ABS Indicator
The IPC illuminates the ABS indicator when tire following occurs.
- The Electronic Brake Control Module (EBCM) detects an ABS-disabling malfunction and sends a serial data message to the IPC requesting illumination.
- The IPC performs the bulb check.
- The IPC detects a loss of serial data communication with the EBCM.
- A DTC is set during the previous ignition cycle which requires an ECE 13 response at the beginning of the current ignition cycle. The EBCM sends a serial data message to the IPC requesting illumination.