DTC Jeep U0426-87 Short Explanation
Channel: Maxidot
Date: 10/08/2020

The video focuses on the basic Jeep 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
Jeep
Code
U0426 87
Definition
Passenger Instrument Panel Air Bag Deployment Loop Stage 1 Short to Battery
Description
Ignition voltage is between 9-16 volts
Cause
B0019 01 Stage 1 or B0020 01 Stage 2The passenger instrument panel air bag high and or or low circuit is short to voltage for 120 milliseconds
Failure Type
Missing Message
This sub type is used for failures where one or more expected messages is not received, eg, periodic transmission where the repetition time is too high, or message not received as a result of unforeseen reset events of the concerning component eg engine control unit communicating with ABS