DTC Mercury P0071 Short Explanation
Channel: Maxidot
Date: 2020-07-23

The video focuses on the basic Mercury 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
Mercury
Code
P0071
Definition
No Communication With SDM Restraint Module
Description
Key on,  and a message from a learned ID number was not detected for the five seconds  Modules on the Class 2 circuit monitor for data communications during vehicle operation  When a module receives a message for critical data,  the module records the ident
Cause
SDM Class 2 circuit is open,  shorted to ground or to B+SDM ignition power circuit has a high resistance conditionSDM main ground circuits has a high resistance conditionSDM module may have failed and is pulling the circuit low