DTC cadillac P0B56 Short Explanation
Channel: Maxidot Cadillac
Date: 20/06/2020

The video focuses on the basic Cadillac 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

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Make:
Cadillac
Code:
P0B56
Definition:
Lost Communication With Throttle Actuator Control Module
Description:
One of these 2 conditions must be met for at least 250 milliseconds: (1) No serial signals from the throttle actuator control module are detected.(2) The serial signals from the throttle actuator control module are abnormal.NOTE: Before you troubleshoot,record all freeze data and any on-board snapshot.
Cause:
 Poor connections or loose terminals at the throttle body,the throttle actuator control module relay,the throttle actuator control module,and the PCM "Open" in the wire between the PCM and ground "Open" or "Short" circuit between the throttle actuator control module and the PCM PCM may need to be updated with the latest software Faulty PCM