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DTC Alfa-Romeo C1401-77 Short Explanation

The video focuses on the basic Alfa-Romeo specific diagnostic error code. Contents: 0:21 Basic DTC analysis according to OBD2 protocol standard. 1:48 Insight into programming an explanation of what a bit is and how a byte is formed decoding the Error Code to the base programming 2:58 A diagnostically understandable description of the Diagnostic Trouble Code 3:05 Basic error definition Possible causes or errors of the car and its parts describing the mentioned error We will continue to work on improving the content. Our efforts at Maxidot s.r.o.the video content gets better. #maxidot #dtc #howto #diagnostictroublecode #alfaromeo Make: Alfa Romeo Code: C1401-77 Definition: Electric Park Brake Motor - Commanded Position Not Reachable Description: Anti-lock Brake System (ABS) Module detects improper Electric Parking Brake (EPB) Switch inputs. Cause: Electric Parking Brake (Epb) Switch or Connector or Terminal Damage Epb Switch Position 1 Signal Circuit Shorted To Voltage Epb Switch Position 2 Signal Circuit Shorted To Voltage Epb Switch Position 3 Signal Circuit Shorted To Voltage Epb Switch Position 4 Signal Circuit Shorted To Voltage Epb Switch Position 5 Signal Circuit Shorted To Voltage Epb Switch Position 6 Signal Circuit Shorted To Voltage Epb Switch Position 1 Signal Circuit Shorted To Ground Epb Switch Position 2 Signal Circuit Shorted To Ground Epb Switch Position 3 Signal Circuit Shorted To Ground Epb Switch Position 4 Signal Circuit Shorted To Ground Epb Switch Position 5 Signal Circuit Shorted To Ground Epb Switch Position 6 Signal Circuit Shorted To Ground Epb Switch Position 1 Signal Circuit Open Or High Resistance Epb Switch Position 2 Signal Circuit Open Or High Resistance Epb Switch Position 3 Signal Circuit Open Or High Resistance Epb Switch Position 4 Signal Circuit Open Or High Resistance Epb Switch Position 5 Signal Circuit Open Or High Resistance Epb Switch Position 6 Signal Circuit Open Or High Resistance Electric Parking Brake (Epb) Switch Anti-Lock Brake System (Abs) Module Failure Type: Commanded Position Not Reachable This sub type is used for failures where the control module is unable to command a motor, solenoid, relay, etc., to move a piece of equipment to the commanded position either due to a failure in the actuator or its mechanical environment.