Transfer Control Unit (A/T)
P1816 PNP Switch (A/T)Description
The A/T PNP switch transmits the A/T position indicator signal (PNP switch signal) via CAN communication to the transfer control unit. DTC P1816 will set when the A/T PNP switch signal is malfunctioning or there is a communication error.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
Step 1:
Diagnosis Procedure