Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Date Published
- JUN 17, 2016
- NHTSA TSB #
- 10080071
- TSB Document
-
- Summary
- "FLASH: TRANSMISSION SHIFT AND DRIVABILITY ENHANCEMENTS
THIS BULLETIN INVOLVES REPROGRAMMING OF THE TRANSMISSION CONTROL MODULE (TCM) WITH THE
LATEST AVAILABLE SOFTWARE.
A SMALL NUMBER OF CUSTOMERS MAY EXPERIENCE AN ERRONEOUS MALFUNCTION INDICATOR LAMP
(MIL) ILLUMINATION. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY FIND A DIAGNOSTIC TROUBLE
CODE (DTC) STORED IN THE TCM MEMORY.
3.6L ENGINE (SALES CODE ERB) WITH 845RE TRANSMISSION (SALES CODE DFL):
· **IMPROVED SHIFT QUALITY.**
· P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP.
· P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION.
· P0734 - GEAR 4 SHIFT INCORRECT RATIO.
3.6L ENGINE (SALES CODE ERB) WITH 8HP45 TRANSMISSION (SALES CODE DFG):
· **IMPROVED SHIFT QUALITY.**
· HARSH 2-1 DOWNSHIFT OR BUMP AT LOW SPEEDS.
· P0734 - GEAR 4 SHIFT INCORRECT RATIO.
3.0L ENGINE (SALES CODE EHD) WITH 845RE TRANSMISSION (SALES CODE DFL):
· **IMPROVED SHIFT QUALITY.**
· P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP.
· P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION."