Code No. P0841: Abnormality in Line Pressure Sensor Function


DIAGNOSTIC FUNCTION



JUDGMENT CRITERIA



PROBABLE CAUSES



  • Abnormal line pressure
  • Abnormality in primary pressure sensor system
  • Abnormality in secondary pressure sensor system
  • Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Check other diagnosis codes.

Q. Are other diagnosis codes set?
Go to the appropriate troubleshooting.
Go to Step 2.

STEP 2. M.U.T.-III data list

  • Item 18: Primary pressure
  • Item 19: Secondary pressure (Refer to Service Data Table .)

Q. Is the check result normal?
Intermittent malfunction
Go to Step 3.

STEP 3. Line pressure check
Carry out "hydraulic test"(Refer to ).

Q. Is the check result normal?
Go to Step 4.
Repair according to the hydraulic pressure diagnosis table.

STEP 4. Symptom recheck after erasing diagnosis code

Q. Is the check result normal?
Intermittent malfunction
Replace CVT-ECU.