DTC Chevrolet U1807-00 Short Explanation

Описание: The video focuses on the basic Chevrolet 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

We will continue to work on improving the content.
Our efforts at Maxidot s.r.o.the video content gets better.


#maxidot #dtc #howto #diagnostictroublecode #chevrolet


Make:
Chevrolet
Code:
U1807 00
Definition:
“A” Camshaft Position Timing Over-Advanced (Bank 1)
Description:
Engine started and driven at an engine speed of more than 400rpm;and the DME detected the camshaft timing exceeded the maximum calibrated advance value,or the camshaft remained in an advanced position during the CCM test.The valve timing did not change from the current valve timing or it remained fixed during the testing.Note: The camshaft adjustment is load- and RPM-dependant.The electrical camshaft adjustment valve 1 switches oil pressure onto camshaft adjuster (mechanical adjustment mechanism),which adjusts the camshaft.
Cause:
Fuel pump has failed CPS circuit is open,shorted to ground or shorted to power Battery voltage below 11.5 volts Position actuator circuit may short to B+ or Ground Camshaft timing improperly set,or continuous oil flow to the VCT piston chamber Camshaft advance mechanism (the VCT unit) is sticking or binding mechanically VCT solenoid valve is stuck in open position
Failure Type:
No Sub Type Information
This sub type is used for failures where the base DTC text string provides the complete description of the failure itself (no Category and no Sub Type information used, e.g. emissions-related DTC (012700 hex): P0127 Intake Air Temperature Too High).