P0727

DTC P0727 - ENGINE SPEED INPUT CIRCUIT NO SIGNAL
Conditions for Setting the DTC
- The Transmission Control Module (TCM) detects no pulse of the engine speed input sensor while detecting the correct TP sensor signal for 10 seconds continuously.
- No TP sensor Diagnostic Trouble Code (DTC) P1791.

Action Taken When the DTC Sets
- The TCM stores DTC P0727 after two consecutive trips with a failure reported.

Conditions for Clearing the MIL/DTC
- The Scan-100 scan tool can clear the DTC from the TCM history.
- The TCM clears the DTC from the TCM history if it detects that the engine speed sensor signal is greater than 40 rpm for 20 seconds continuously.





DTC P0727 - Engine Speed Input Circuit No Signal