DTC P2808: Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4) [12/2012 - ]: Description

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The ECM uses the vehicle speed signal and signals from the transmission speed sensors (NC, NT) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).

Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid valves and valve body.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory
P2808	Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4)	Either condition is met (2-trip detection logic): The engine revs freely when a shift to 3rd or 5th gear is commanded. The condition that 4th gear is engaged when a shift to 4th gear is commanded occurs twice, and one of the following conditions is met: When a shift to 1st gear is commanded, 3rd gear is engaged. When a shift to 2nd gear is commanded, 3rd gear is engaged. When a shift to 6th gear is commanded, 5th gear is engaged.	Shift solenoid valve SL4 remains open or closed Transmission valve body assembly is blocked Automatic transaxle assembly (clutch, brake or gear etc.)	Comes on	DTC stored