Hyundai transaxle oil temp

According to Hyundai, incorrect operation of the oil temperature sensor (automatic transaxle) may result in the check engine light illuminated and DTCs P0711, P0712 or P0713.

NOTE: Do not replace the transaxle for oil temperature sensor codes. Instead, follow the repair procedure shown here.

APPLICABLE VEHICLES

2010 and later Tucson (2.0 and 2.4L)

2010 and later Santa Fe (2.4 and 3.5L)

2011 and later Sonata GDI (2.0 and 2.4L)

2011 and later Sonata HEV (2.4L)

2011 and later Elantra (1.8L)

2012 and later Accent (1.6L)

PARTS INFORMATION

MODEL                      YEAR           OIL TEMP SENSOR        INTERNAL HARNESS

Tucson                        2010 -            46386-3B000                      46307-3B610

Santa Fe 2.4L              2010 -             46386-3B000                    46307-3B610

Santa Fe 3.5L               2010 -            46386-3B000                     46307-3B010

Sonata GDI 2.0L          2011 -          46386-3B000                        46307-3B010

Sonata GDI 2.4L          2011 -          46386-3B000                         46307-3B610

Sonata HEV                 2011 -           46386-3B000                        46307-3B610

Elantra                          2011 -           46386-3B000                        46307-3B610

Accent                          2012 -            46386-3B000                       46307-3B610

SERVICE PROCEDURE

1. Attach a GDS, select vehicle and A/T menu and check for DTC. Record the DTC and description. Delete the DTC.
2. From the GDS, select

-          Vehicle and A/T menu

-          Current Data

-          Oil temperature sensor

-          Drive the vehicle and monitor the oil temperature sensor. If the sensor shows changing output while driving, the wiring currently has no open/short circuits. Go to Step 4. If no output or unchanging output while driving, go to Step 3.

3. Check wiring harness between the TCM and transaxle visually for a damaged wire or connector. Check for a short circuit to ground. If so, repair or replace the control harness.
4. Refer to the DTC recorded in Step 1 and follow the following repair procedure:

DTC P0711: Oil temperature rationality

DTC P0712: Oil temperature sensor low

DTC P0713: Oil temperature sensor high

5. Disconnect the battery.
6. Remove the undercover under the transmission.
7. Drain the radiator and remove the lower radiator hose.
8. Drain the ATF.
9. Remove the bolts that secure the valve body cover and remove the cover.

CAUTION: Use a rubber hammer to tap the valve body cover loose.

10. Use a small screwdriver to pry the connector from the oil temperature sensor.
11. Replace the oil temperature sensor with a new sensor.Tighten the sensor to 7.2 – 8.7 ft-lb.
12. Apply Permatex Ultra Gray Sealer or Hyundai Ultra gray Gasket Sealer P/N 00231-13800 to the valve body cover and reinstall the cover. Tighten the cover bolts to 7.2 – 8.7 ft-lb.
13. Add approximately five quarts of Hyundai SPH-IV ATF (P/N 00232-19045). Refer to  the service manual and check the level with the engine idlingand with the transmission in Park when the ATF ids at normal operating temperature (122 – 140 degrees F).
14. Replace the lower radiator hose and add ethylene glycol engine coolant to the radiator/ Check the level according to the shop manual.
15. Clear the codes and test drive the vehicle for two driving cycles (two key-on to key-off driving cycles), including 1-2-3-4-5-6 upshifts and 6-5-4-3-2-1 downshifts. If the DTC returns, perform the following repairs:

DTC P0711: Replace the internal harness, P/N 46307.

DTC P0712: Repair or replace the control harness, P/N 91400D.

DTC P0713: Replace the PCM.