P1706
DTC P1706: Open in Transmission Range Switch CircuitNOTE: Record all freeze data and review General Troubleshooting Information before you troubleshoot.
1. Test the transmission range switch.
Is the switch OK?
YES-Go to step 2.
NO-Replace the transmission range switch.
2. Connect the transmission range switch connector.
3. Check for continuity between TCM connector terminal A4 and body ground, and between A17 and body ground.
Is there continuity?
YES-Go to step 4.
NO-Repair open in the wires between TCM connector terminals A4 and A17, and ground (G101), or repair poor ground (G101).
4. Turn the ignition switch on (II).
5. Shift to the [R] position.
6. Measure the voltage between TCM connector terminals A11 and A4 or A17.
Is there voltage?
YES-Repair open in the wire between TCM connector terminal A11 and the transmission range switch.
NO-Go to step 7.
7. Shift to the P or R position.
8. Measure the voltage between TCM connector terminals A10 and A4 or A17.
Is there voltage?
YES-Repair open in the wire between TCM connector terminal A10 and the A/T gear position indicator.
NO-Go to step 9.
9. Shift to the D position.
10. Measure the voltage between TCM connector terminals A9 and A4 or A17.
Is there voltage?
YES-Repair open in the wire between TCM connector terminal A9 and the transmission range switch.
NO-Go to step 11.
11. Shift to the [L] position.
12. Measure the voltage between TCM connector terminals A7 and A4 or A17.
Is there voltage?
YES-Repair open in the wire between TCM connector terminal A7 and the transmission range switch.
NO-Check for loose terminal fit in the TCM connectors. If necessary, substitute a known-good TCM and recheck.