DTC Nissan B2557 Short Explanation
Channel: Maxidot Nissan
Date: 2020-06-20

The video focuses on the basic Nissan 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:
Nissan
Code:
B2557
Definition:
Intake Air Temperature Sensor Range or Performance
Cause:
IAT sensor signal circuit is open or shorted to groundIAT sensor is contaminated, out-of-calibration or has failedPCM has failed