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P0727






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.
- DTC P1791 not set.

Action Taken When the DTC Sets
- TCM will not request the illumination of the MIL or power lamp, but will store DTC when TCM detects failures on two consecutive ignition cycle.

Conditions for Clearing the MIL/Power Lamp/DTC
- The Scan-100 scan tool can clear the DTC from the TCM history.
- The TCM clears the DTC from the TCM history memory after forty consecutive ignition cycles without fault while it detects that the engine speed sensor signal is greater than 40 rpm for 20 seconds continuously.