P1706

DTC P1706: Open in Transmission Range Switch Circuit (No range position shown)

NOTE: Record all freeze data before you troubleshoot.

1. Check whether DTC P1705 is indicated.
Does the OBD II scan tool indicate code P1705?
YES - Perform the troubleshooting flowchart for DTC P1705, then go to step 2.
NO - Go to step 8.
2. Turn the ignition switch OFF.
3. Reset the PCM memory by removing the No. 6 ECU (15 A) fuse in the under-hood fuse/relay box for more than 10 seconds.
4. Drive the vehicle in D position until vehicle speed reaches 37 mph (60 km/h), then slow down and stop.
5. Turn the ignition switch OFF, and turn it ON (II).
6. Test-drive the vehicle as in step 4.
7. Recheck for DTC P1706.
Does the OBD II scan tool indicate code P1706?
YES - Go to step 8.
NO - The problem has been corrected.
8. Inspect the transmission range switch.
Is the switch OK ?
YES - Go to step 9.
NO - Replace the transmission range switch.
9. Connect the transmission range switch connector.





10. Check for continuity between PCM connector terminals A23 and body ground, and between A24 and body ground.
Is there continuity?
YES - Go to step 11.
NO - Repair open in the wire between PCM connector terminals A23 and ground (G101), and between A24 and ground (G101), and repair poor ground (G101).
11. Turn the ignition switch ON (II).
12. Shift to the D position.





13. Measure the voltage between PCM connector terminals C18 and A23 or A24.
Is there voltage?
YES - Repair open in the wire between PCM connector terminal C18 and the transmission range switch.
NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.