DTC Subaru P1091 Short Explanation
Channel: Maxidot
Date: 07/12/2020

The video focuses on the basic Subaru 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:
Subaru
Code:
P1091
Definition:
ABS Wheel Speed Sensor Signal Abnormal
Description:
When wheel sensor input signal is malfunctioning.
Cause:
 Harness and or or connectors: - check sensor harness for open or short conditions - check connectors for looseness or damaged pins Wheel sensor Tire inflation Wheel bearings Wheel sensor or rotor ABS actuator and electric unit (control unit)