Service bulletin 05-001-14-2876

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

SOME VEHICLES MAY EXPERIENCE ONE OR MORE OF THE FOLLOWING CONCERNS: • ENGINE SURGING CONCERN WHEN THE VEHICLE IS DRIVEN UP HILL WITH THE CRUISE CONTROL ON. • SHIFT SHOCK WHEN SHIFTING FROM N, R OR FROM P TO D. • SHIFT SHOCK WHEN DOWN SHIFTING FROM 5 TO 4. ENGINE SURGE CAUSE: DUE TO AN INADEQUATE CONTROL LOGIC OF THE TCM, THE THROTTLE VALVE REPEATS ON AND OFF BEFORE OBTAINING ENOUGH DRIVING FORCE TO MAINTAIN THE SET SPEED ON AN UP HILL ROAD. THE TCM CONTROL LOGIC HAS BEEN OPTIMIZED TO ELIMINATE ENGINE SURGE AS OF JAN. 15, 2013 VEHICLE PRODUCTION (VIN: JM3TB******410765). SHIFT SHOCK CAUSE: INADEQUATE LEARNING OF HYDRAULIC PRESSURE LEAKAGE BY THE TCM MAY OCCUR DEPENDING ON PRODUCTION VARIATION OF THE SEAL RING INSIDE THE TRANSAXLE. IN THIS CASE, CORRECTION OF THE HYDRAULIC PRESSURE DURING SHIFTING OPERATION IS NOT PROPERLY PERFORMED CAUSING A SHIFT SHOCK. THE TCM CONTROL LOGIC HAS BEEN OPTIMIZED TO ELIMINATE SHIFT SHOCK AS OF JUL. 17, 2013 VEHICLE PRODUCTION (VIN: JM3TB******424854).

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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