DTC Troubleshooting: P0706
DTC P0706: Transmission Range Switch Open
NOTE:
This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0706 Transmission Range Switch Open
     

1.
Problem verification:

Problem verification
?1.

?2.
Turn the vehicle to the ON mode.

?3.
Clear the DTC with the HDS.


?4.
Test-drive the vehicle in D position/mode until the vehicle speed reaches 37 mph (60 km/h), then slow down to 6 mph (10 km/h).

?5.
Turn the engine off. Repeat the test-drive in step 1-4 again.

?6.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0706 Transmission Range Switch Open
     

Is DTC P0706 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
2.
Transmission range switch check:

Transmission range switch check
?1.

Is the transmission range switch OK?

     
YES
     
     
     
The transmission range switch is OK. Go to step 3.
     
NO
     
     
     
Check for proper transmission range switch installation, then recheck. If the transmission range switch installation is OK, replace the transmission range switch.?
3.
Open wire check (FWD line):

Open wire check (FWD line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connector.
Transmission range switch 10P connector

?3.
Turn the vehicle to the ON mode.

?4.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Transmission range switch 10P connector: disconnected
Test point 1
Transmission range switch 10P connector (female terminals) No. 6 :
Test point 2
Body ground


Is there voltage?

     
YES
     
     
     
The FWD wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the original PCM.?
     
NO
     
     
     
Repair an open in the FWD wire between the transmission range switch and the PCM.?