199003147 - P0504 Brake signal

The error is indicated if an inconsistency is detected in the brake pedal pressure due to implausible activation of a single brake pedal switch (with details of Implausible signal or Open circuit). The system may also indicate problems of CAN line signal consistency (with detail Consistency from CAN line)

		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check that the details of the error present are not Consistency from CAN line	Move on to Step 1	The error detail is Consistency from CAN line	Reset or if necessary replace the wiring between the Body Computer and the brake pedal switch    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
1	BRAKE PEDAL SWITCH CHECK	All OK	Problems encountered	Operation
	Check that the brake pedal switch is working properly    See Test 5550DA BRAKE PEDAL SWITCH OPERATION CHECK	End of diagnosis	-	-