DTC Mazda U1039 Short Explanation
Channel: Maxidot Mazda
Date: 2020-07-13

The video focuses on the basic Mazda 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:
Mazda
Code:
U1039
Definition:
Charge Air Absolute Pressure Sensor Circuit Short to B+
Description:
Engine speed drops slower than normal when accelerator pedal is released.Density compensation of the throttle angle is blocked.The charge air adaptation is blocked and zeroed,as a substitute value the barometric pressure sensor is used.Voltage higher than 4.815 V for more than 10 second(s).
Cause:
Check connectorCheck wiringCheck charge air sensor