DTC P272C-81: Park Pawl Motor Invalid Serial Data Received [06/2021 -]: Description

The hybrid vehicle control ECU receives signals from the P position switch and shift lever and operates the shift control actuator assembly through current control to engage and release the parking lock. If the actual shift state and requested shift state do not match, the hybrid vehicle control ECU detects the malfunction and stores this DTC.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate
P272C-81	Park Pawl Motor Invalid Serial Data Received	Either of the following conditions are met: With the power switch on (IG), the actual shift state and requested shift state do not match for 5 seconds or more. The hybrid vehicle control ECU receives a shift state signal other than P (park) 3 times or more when the parking lock request signal is being output. (1 trip detection logic)	Hybrid vehicle control ECU Auxiliary battery Hybrid vehicle transaxle assembly	Does not come on	Master Warning Light: Comes on