Engine Controls - MIL ON/DTC P0339 Set
NUMBER: 18-024-10GROUP: Vehicle Performance
DATE: July 23, 2010
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-040-08, DATED NOVEMBER 22, 2008, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE THE ADDITION OF YEARS, MODELS, UPDATED REPAIR PROCEDURE AND LABOR TIMES.
SUBJECT:
MIL Illumination Diagnostic Trouble Code P0339 - Crankshaft Position Sensor Intermittent Set
OVERVIEW:
This bulletin involves adding a shim to the crank sensor and verifying the condition has been corrected and only if necessary, replacing the flexplate.
MODELS:
**2009 - 2010 (JC) Journey**
**2009 - 2010 (JS) Avenger/Sebring/Sebring Convertible**
**2009 - 2010 (JK) Wrangler**
2009 - **2010** (LC) Challenger
2008 - **2010** (LX) 300/ Magnum / Charger
2008 - **2010** (LE) 300C/300 Touring (International Markets)
2008 - 2009 (L2) 300 (China)
**2009 -2010 (RI) Town & Country/Grand Voyager**
NOTE:
This bulletin applies to models equipped with a 2.7L, 3.5L, 3.3L, 3.8L or 4.0L engine (sales code EER, EGG, EGF, EGV, EGT or EGQ) and a automatic transmission.
SYMPTOM/CONDITION:
Some customers may complain of MIL illumination. No other symptoms will be noted or experienced. Further investigation by the technician may find DTC P0339 - Crankshaft Position Sensor Intermittent is set. It is possible that DTC's P0300 - Multiple Cylinder Misfire and/or P1128 - Closed Loop Fueling Not Achieved - Bank 1 and/or P1129 - Closed Loop Fueling Not Achieved - Bank 2 could be set along with P0339 - Crankshaft Position Sensor Intermittent is set.
NOTE:
P0339 - Crankshaft Position Sensor Intermittent must be set along with the other DTC's listed above. If P0339 - Crankshaft Position Sensor Intermittent is not set then this bulletin does not apply.
DIAGNOSIS:
Using a Scan Tool (wiTech) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine Systems are functioning as designed. If DTC's other than P0339 with or without P0300, P1128, P1129 are present then record them on the repair order and repair other DTC's first as necessary before proceeding further with this bulletin.
PARTS REQUIRED:
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE:
1. **Connect wiTECH to vehicle.
2. Select PCM.
3. Select the "Monitor List" tab.
4. Scroll down and select the "Cam Crank Synchronization Event Monitor"
5. Scroll down and read both the "Engine Unlock Position" and the "Unlock RPM" status.
6. Is the "Engine Unlock Position" between 40 and 55 or 400 and 415 degrees?
a. Yes >>> proceed to Step # 7
b. No >>> This Bulletin does not apply. Refer to the Diagnostic Procedure available in DealerCONNECT/TechCONNECT for P0339 - Crankshaft Position Sensor Intermittent to diagnose this condition.
7. Is the "Unlock RPM" greater than 3000 rpm?
a. Yes >>> proceed to Step # 8
b. No >>> Refer to the Diagnostic Procedure available in DealerCONNECT/TechCONNECT for P0339 - Crankshaft Position Sensor Intermittent to diagnose this condition.
8. Remove the crankshaft position sensor. Follow the detailed service procedures available in DealerCONNECT/TECHCONNECT, Refer to 14 - Fuel System / Fuel Injection / SENSOR, Crankshaft Position / Removal.
9. Install washer (p/n 68061031aa) between sensor fastener bushing and transmission.
10. Reinstall the crankshaft position sensor.
11. Perform a "Module Reset" with wiTECH.Select "Misc Functions" tab.
12. Scroll down and select the "Reset Memory function.
13. Select the "All Adaptive Memory" function from the drop down list.
NOTE:
It is necessary to perform a "Module Reset" prior to driving the vehicle. If this step is not preformed the values will not be accurate. The values need to be reset.
14. Drive vehicle and perform 4 wide open throttle 1-2 shifts in the 5,800 RPM range.
15. Connect wiTECH to vehicle.
16. Select PCM.
17. Select the "Monitor List" tab.
18. Scroll down and select the "Cam Crank Synchronization Event Monitor"
19. Scroll down and read both the "Engine Unlock Position" and the "Unlock RPM" status.
20. Is the "Engine Unlock Position" between 40 and 55 or 400 and 415 degrees with the "Unlock RPM" greater than 3000 RPM??
a. Yes >>> proceed to Step # 21
b. No >>> Repair Complete.
21. Replace flexplate. Refer to 09 - Engine, 3.5L or 2.7L or 3.3L or 3.8L or 4.0L/ Engine Block / FLEXPLATE / Removal and Installation.
22. Relearn ETC if necessary.
23. Re-initialize power windows (LC models only).**
POLICY:
Reimbursable within the provisions of the warranty.
**TIME ALLOWANCE:**
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.