DTC Troubleshooting: P1890(CVT (TCM))

DTC P1890  : CVT Speed Control System

NOTE:  Before you troubleshoot, review the General Troubleshooting Information .

DTC(CVT)

1. DTC check

   -1. Turn the vehicle to the ON mode.

   -2. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P1890 CVT Speed Control System

   Is there any DTC(s) other than DTC P1890?

   YES 

   Go to the indicated DTC's troubleshooting.

   NO 

   Go to step 2.

2. Problem verification

   -1. Clear the DTC with the HDS.

   -2. Start the engine.

   -3. Test-drive the vehicle in D position/mode, accelerate slowly until the vehicle speed reaches 37 mph (60 km/h) on a flat road, then keep the vehicle at speeds about 37 mph (60 km/h) for at least 60 seconds.

   -4. Monitor the OBD STATUS for P1890 in the DTCs MENU with the HDS.

   DTC Description	OBD Status
   P1890 CVT Speed Control System

   Does the HDS indicate FAILED?

   YES 

   The failure is duplicated. Replace the transmission .

   NO 

   If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, test-drive again. 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.