You have a problem with the ABS braking system and it is probably failing the first part of self-test and/or initialization. Probably best to get it scanned with an ABS capable scanner for ABS/Chassis codes. See below.
Quote:
The EBCM performs 1 initialization test each ignition cycle. The initialization of the EBCM occurs when 1 set of the following conditions occur:
Both of the following conditions occur:
* The EBCM detects that there is a minimum of 500 RPM from the PCM via a serial data message.
* The stop lamp switch is not applied.
OR
Both of the following conditions occur:
* The vehicle speed is greater than 16 km/h (10 mph).
* The stop lamp switch is applied.
The initialization sequence may also be commanded with a scan tool.
The initialization sequence cycles each solenoid valve and the pump motor, as well as the necessary relays, for approximately 1.5 seconds to check component operation. The EBCM sets a DTC if any error is detected. The initialization sequence may be heard and felt while it is taking place, and is considered part of normal system operation.
The EBCM defines a drive cycle as the completion of the initialization sequence.
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