DTC Troubleshooting
DTC Troubleshooting: P1717
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 How to Troubleshoot the A/T System.
- This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
1. Turn the ignition switch to ON (II).
2. Shift to R, and monitor the A/T R Switch signal with the HDS in the A/T Data List.
Is the A/T R Switch ON?
YES -
Go to step 3.
NO -
Check for proper transmission range switch installation Service and Repair, adjust the shift cable Adjustments, then recheck.�
3. Check the Reverse Switch (ATPRVS) signal with the HDS in the A/T Data List.
Is the Reverse Switch (ATPRVS) ON?
YES -
Intermittent failure, the system is OK at this time.�
NO -
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Disconnect the transmission range switch connector.
6. Turn the ignition switch to ON (II).
7. Connect a jumper wire between transmission range switch connector terminal No. 2 and body ground.
Is the Reverse Switch (ATPRVS) ON?
YES -
Replace the transmission range switch Service and Repair, then go to step 8.
NO -
Repair an open in the wire between PCM connector terminal C19 and the transmission range switch, then go to step 8. If the circuit is ok, go to step 14.
8. Reconnect all connectors.
9. Turn the ignition switch to ON (II).
10. Clear the DTC with the HDS.
11. Start the engine in P. With the brake pedal pressed, shift to R from P, shift to N, then shift to R, and wait for at least 2 seconds.
12. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P1717 indicated?
YES -
Check for poor connections or loose terminals between the transmission range switch and the PCM, then go to step 1.
NO -
Go to step 13.
13. Monitor the OBD STATUS for P1717 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 12, go to the indicated DTC's troubleshooting.�
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the transmission range switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, go to step 11.
14. Reconnect all connectors.
15. Update the PCM if it does not have the latest software PCM Update, or substitute a known-good PCM.
16. Start the engine in P. With the brake pedal pressed, shift to N from P, then shift to R, and wait for at least 2 seconds.
17. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P1717 indicated?
YES -
Check for poor connections or loose terminals between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 16. If the PCM was substituted, go to step 1.
NO -
Go to step 18.
18. Monitor the OBD STATUS for P1717 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM Service and Repair. If any other Pending or Confirmed DTCs were indicated in step 17, go to the indicated DTC's troubleshooting.�
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 16. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, go to step 16.