DTC 18228

DTC 18228 / P1820

1) First check harness connectors for contact corrosion and water ingress, replace if necessary. if there are malfunctions indicated for the solenoid or pressure control valves, pay particular attention to the 16-pin harness connector at transmission between valve body and cable harness.
2) Pressure control valve 1 for auto. transmission -N215- is also referred to as solenoid valve 4 -N91-.
3) Pay attention to which hydraulic control the transmission has when selecting measuring value block.