Durango 2WD V8-5.7L Hybrid (2009)
Fuel Tank Pressure Sensor: Customer Interest
Fuel System - MIL ON/DTC P1446 Set
NUMBER: 08-005-10
GROUP: Electrical
DATE: April 01, 2010
SUBJECT:
Fuel Tank Pressure Sensor Connector
OVERVIEW:
This Bulletin involves replacing the fuel tank pressure sensor connector for diagnostic Trouble Code (DTC) P1446 - Fuel Tank Control System
Performance - HEV.
MODELS:
2009
(HB)
Durango
2009
(HG)
Aspen
SYMPTOM/CONDITION:
The customers may experience a MIL illumination. Upon further investigation the Technician may find that DTC P1446 - Fuel Tank Control System
Performance - HEV has been set.
DIAGNOSIS:
Using a Scan Tool (wiTECH or StarSCAN) verify if P1446 - Fuel Tank Control System Performance - HEV is active. If DTC P1446 - Fuel Tank
Control System Performance - HEV is active proceed with repair. Check the service history of the vehicle. If the DTC has ever been reported in the past
then proceed with the repair. If DTC's are present other then the one listed above record them on the repair order and with the appropriate Diagnostic
Procedures available in TechCONNECT repair as necessary before proceeding further with this bulletin.
PARTS REQUIRED:
REPAIR PROCEDURE:
1. Lower the fuel tank as per the directions on tech connect Emissions Control > Evaporative Emissions > Sensor, Fuel Pressure HEV > Removal -
HEV.
2. Remove convoluted tubing from the wiring harness.
3. Cut the wires going to the sensor connector 2 inches from the connector.
4. Using the standard crimp/solder/heat shrink procedure for wire splicing found in DealerCONNECT > TechCONNECT > Wiring > Wiring Diagram
Information > Wire, add new harness extension to vehicle harness.
5. Check the Pressure Sensor for corrosion on the sensor it self, is it corroded?
a. No >>> proceed to Step # 6.
b. Yes >>> replace the sensor and continue with repairs.
6. Reinstall connector on to the sensor.
7. Wrap convolute with electrical tape.
8. Reinstall Fuel tank into the vehicle.
