DTC Lincoln U2017-51 Short Explanation
Channel: Maxidot Lincoln
Date: 27/07/2020

The video focuses on the basic Lincoln 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:
Lincoln
Code:
U2017 51
Definition:
EGR Cooler Bypass Control Circuit Low
Description:
The Exhaust Gas Recirculation Cooler Bypass valve (EBV) is used to redirect the EGR gases around the cooler when the engine is under certain operating conditions. The Powrtrain Control Module (PCM) controls the EBV based on engine conditions. The EBV sends the valve position status back to the PCM. The PCM will light a MIL lamp after this monitor runs and fails in two consecutive drive cycles. The PCM will turn off the MIL lamp after the diagnostic passes in four consecutive drive cycles.
Cause:
EGR BYPASS MOTOR (-) CIRCUIT SHORTED TO GROUNDEGR BYPASS MOTOR (-) CIRCUIT OPEN or HIGH RESISTANCEEGR COOLER BYPASS VALVEPOWERTRAIN CONTROL MODULE (PCM)
Failure Type:
Not Programmed
This sub type is used by the control module to indicate that programming is required.