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DTC Troubleshooting: P0706 (6)

DTC P0706:
 Transmission Range Switch (Open)
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information.
  • This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely. Or raise the vehicle on a lift.
  1. Start the engine. Run the engine in D until the vehicle speed reaches 40 km/h (25 mph), then slow down, and stop the wheels.
  1. Monitor the OBD status for P0706 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate FAILED?
YES -
Go to Step 6 .
NO -
Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to Step 4 and recheck.■
  1. Turn the ignition switch to LOCK (0).
Is the test result OK?
YES -
Connect the transmission range switch connector, then go to Step 8 .
NO -
  1. Check the control wire adjustment.
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Start the engine. Run the engine in D until the vehicle speed reaches 40 km/h (25 mph), then slow down, and stop the wheels.
  1. Monitor the OBD status for P0706 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate FAILED?
YES -
Go to Step 13 .
NO -
Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to Step 11 and recheck.■
  1. Shift to D, and verify the A/T D Switch and Forward Switch (ATP FWD) inputs with the HDS in the A/T data list.
Are A/T D Switch and Forward Switch (ATP FWD) ON?
YES -
  • Seven-position transmission: Go to Step 14 .
  • Five-position transmission: Go to Step 16 .
NO -
Go to Step 22 .
  1. Shift to D3, and verify the A/T D3 Switch and Forward Switch (ATP FWD) inputs with the HDS in the A/T data list.
Are A/T D3 Switch and Forward Switch (ATP FWD) ON?
YES -
Go to Step 15 .
NO -
Go to Step 22 .
  1. Shift to 2, and verify the A/T 2-1 Switch and Forward Switch (ATP FWD) inputs with the HDS in the A/T data list.
Are A/T 2-1 Switch and Forward Switch (ATP FWD) ON?
YES -
Go to Step 17 .
NO -
Go to Step 22 .
  1. Shift to S, and verify the A/T S Switch and Forward Switch (ATP FWD) with the HDS in the A/T data list.
Are A/T S Switch and Forward Switch (ATP FWD) ON?
YES -
Go to Step 17 .
NO -
Go to Step 22 .
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely. Or raise the vehicle on a lift.
  1. Start the engine. Run the engine in D until the vehicle speed reaches 40 km/h (25 mph), then slow down, and stop the wheels.
  1. Monitor the OBD status for P0706 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate FAILED?
YES -
Go to Step 22 .
NO -
Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to Step 20 and recheck.
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the transmission range switch connector.
  1. Check for continuity between transmission range switch connector terminal No. 10 and body ground.
Is there continuity?
YES -
Go to Step 25 .
NO -
Repair open in the wire between the transmission range switch and ground (G101), or repair poor ground (G101), then go to Step 37 .
  1. Turn the ignition switch to ON (II).

  1. Measure the voltage between transmission range switch connector terminals No. 5 and No. 10.
Is there voltage?
YES -
Go to Step 27 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B29, then go to Step 37 .

  1. Measure the voltage between transmission range switch connector terminals No. 8 and No. 10.
Is there voltage?
YES -
  • Seven-position transmission: Go to Step 28 .
  • Five-position transmission: Go to Step 30 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B22, then go to Step 37 .

  1. Measure the voltage between transmission range switch connector terminals No. 3 and No. 10.
Is there voltage?
YES -
Go to Step 29 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B16, then go to Step 37 .

  1. Measure the voltage between transmission range switch connector terminals No. 9 and No. 10.
Is there voltage?
YES -
Go to Step 31 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B17, then go to Step 37 .

  1. Measure the voltage between transmission range switch connector terminals No. 3 and No. 10.
Is there voltage?
YES -
Go to Step 31 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B16, then go to Step 37 .
  1. Connect the transmission range switch connector.
  1. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely. Or raise the vehicle on a lift.
  1. Start the engine, and run it in D until the vehicle speed reaches 48 km/h (30 mph). Slow down and stop the wheels.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0706 indicated?
YES -
Check for poor connections and loose terminals at the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to Step 1 .
NO -
Go to Step 36 .
  1. Monitor the OBD status for P0706 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?
YES -
If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other DTCs were indicated on Step 35 , go to the indicated DTC's troubleshooting.■
NO -
Check for poor connections and loose terminals at the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to Step 1 . If the HDS indicates NOT COMPLETED, return to Step 34 and recheck.
  1. Connect the transmission range switch connector.
  1. Clear the DTC with the HDS.
  1. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely. Or raise the vehicle on a lift.
  1. Start the engine, and run it in D until the vehicle speed reaches 48 km/h (30 mph). Slow down and stop the wheels.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0706 indicated?
YES -
Check for poor connections and loose terminals at the transmission range switch and the PCM, then go to Step 1 .
NO -
Go to Step 42 .
  1. Monitor the OBD status for P0706 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?
YES -
Troubleshooting is complete. If any other DTCs were indicated on Step 41 , go to the indicated DTC's troubleshooting.■
NO -
Check for poor connections and loose terminals at the transmission range switch and the PCM, then go to Step 1 . If the HDS indicates NOT COMPLETED, return to Step 40 and recheck.