DTC P1717: Open in Transmission Range Switch ATPRVS Switch Circuit

NOTE:

Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review the General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ).
This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
Shift to R, and monitor the Reverse Switch (ATPRVS) signal with the HDS.
Is the Reverse Switch (ATPRVS) ON?

YES - Intermittent failure, the system is OK at this time.

NO - Go to step 3.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Disconnect the transmission range switch connector.
Connect a jumper wire between the transmission range switch connector terminal No. 1 and body ground.

Fig 1: Identifying Jumper Wire Between Transmission Range Switch Connector Terminal No. 1 And Body Ground Connection
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
Check the Reverse Switch (ATPRVS) signal with the HDS.
Is the Reverse Switch (ATPRVS) ON?

YES - Replace the transmission range switch (see TRANSMISSION RANGE SWITCH REPLACEMENT ).

NO - Go to step 8.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Remove the jumper wire.
Jump the SCS line with the HDS.
Disconnect PCM connector C (49P).
Check for continuity between PCM connector terminal C19 and transmission range switch connector terminal No. 1.

Fig 2: Checking Continuity Between PCM Connector Terminal C19 And Transmission Range Switch Connector Terminal No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Replace the PCM (see ECM/PCM REPLACEMENT ).

NO - Repair an open in the wire between PCM connector terminal C19 and the transmission range switch.