DTC Dodge B1421 Short Explanation
Channel: Maxidot
Date: 2020-10-18

The video focuses on the basic Dodge 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:
Dodge
Code:
B1421
Definition:
Throttle Position Sensor(TPS) Input-Loss of Signal
Description:
This code related to communication line between ECU and TCCU is set when CAN signal from ECU can’t received for more than 1sec or ECU internal error occur.
Cause:
 ECM, TCCU connector looseness and poor terminal to wire connection. CAN HIGH or LOW circuit open or short. APS(TPS) faulty. Faulty ECM . Faulty TCCU .