DTC Mazda B1202 Short Explanation
Channel: Maxidot Mazda
Date: 20/06/2020

The video focuses on the basic Mazda 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:
Mazda
Code:
B1202
Definition:
Front-Rear Adjustment, Motor 1 (M1+). Signal Missing
Description:
Motor 1 controls the front-rear adjustment of the seat.Motor 1 must be activated before the diagnostic trouble code (DTC) can be detected.The diagnostic trouble code (DTC) is stored if motor 1 does not run despite the control for M1+ being activated and the power seat module,right (PSR) registering +12 V on the M1+ signal cable.
Cause:
Open-circuit in signal cable M1+.Blown fuse.