DTC Ford U0415-81 Short Explanation
Channel: Maxidot
Date: 11/10/2020

The video focuses on the basic Ford 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:
Ford
Code:
U0415 81
Definition:
Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
Description:
Active A or F control: Performing Battery voltage: 11 V or more ECT: 167°F (75°C) or more Idle: OFF Engine rpm: Less than 3200 rpm A or F sensor status: Activatted Fuel system status: Closed loop Fuel cut: OFF Engineload: 10 to 70% Shift position: 4rd or more Battery voltage: 11 V or more Estimated rear HO2S temperature: 842-1382°F (450-750°C) P0607: Not preset
Cause:
 Open in HO2 sensor (sensor 2) circuit HO2 sensor (sensor 2) HO2 sensor heater (sensor 2) Air-Fuel Ratio (A or F) sensor (sensor 1) Gas leakage from exhaust system
Failure Type:
Invalid Serial Data Received
This sub type is used by the control module to indicate a signal was received with the corresponding validity bit equal to "invalid" or post processing of the signal determines it is invalid.