DTC C1256 EBCM Internal Malfunction. Cadillac Eldorado 2000

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2000 🢒 Eldorado 🢒 Brakes 🢒 Antilock Brake System 🢒 DTC C1256 EBCM Internal Malfunction

This DTC identifies a malfunction within the electronic brake control module (EBCM).

The ABS conditions and the braking conditions are normal.

An internal EBCM malfunction exists.

•	The ABS remains functional.

•	The ABS indicator remains OFF.

•	The condition for the DTC is no longer present (the DTC is not current) and you used the scan tool Clear DTC function.

•	The condition for the DTC is no longer present (the DTC is not current) and you used the On-Board Diagnostics Clear DTC function.

•	The EBCM automatically clears the history DTC when a current DTC is not detected in 50 consecutive drive cycles.

•	When the scan tool displays the DTC, 2 more numbers follow the DTC. Note the 2 numbers and any other DTCs. The 2 numbers with the DTC are an engineering aid in order to determine the cause of the internal malfunction.

•	Make sure the integrity of the connection between the EBCM and the BPMV is secure, tight, and free from corrosion.

The number below refers to the step number on the diagnostic table.

This step determines whether the DTC is set current.

Step	Action	Value(s)	Yes	No
1	Did you perform the ABS Diagnostic System Check?	--	Go to Step 2	Go to Diagnostic System Check - ABS
2	Install a scan tool. Turn ON the ignition, with the engine OFF. Use the scan tool in order to clear the DTCs. With the scan tool, perform the Automated Test. Does the DTC reset?	--	Go to Step 3	Go to Step 4
3	Replace the EBCM. Refer to Electronic Brake Control Module Replacement . Did you complete the repair?	--	Go to Step 4	--
4	Use the scan tool in order to clear the DTCs. With the scan tool, perform the Automated Test. Does the DTC reset?	--	Go to Step 2	System OK