Service bulletin SB-13444
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10067204 |
| Published by NHTSA | 2016-05-23 |
| Manufacturer's number | SB-13444 |
| Manufacturer's date | 2014-02-07 |
| NHTSA component | POWER TRAIN:MANUAL TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE; ENGINE |
NHTSA's summary
THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE ECM ON CERTAIN 2013-2014 MODEL YEAR CADILLAC ATS VEHICLES, EQUIPPED WITH A 6-SPEED MANUAL TRANSMISSION (M3L). THESE VEHICLES HAVE SOFTWARE THAT PROTECTS THE ENGINE DUAL-MASS FLYWHEEL. WHILE DECELERATING AND COMING TO A STOP, THE SOFTWARE MAY SUSPEND ENGINE OPERATION IF THE CUSTOMER FAILS TO DECLUTCH OR SHIFT INTO NEUTRAL AS THE VEHICLE SLOWS, FORCING THE ENGINE RPM WELL BELOW NORMAL IDLE SPEEDS. THIS WILL OCCUR WITHOUT DRIVELINE VIBRATION OR NOISE TO PROVIDE INDICATION TO THE CUSTOMER, WHO MAY COMPLAIN OF AN UNEXPECTED STALL WHILE COMING TO A STOP. THE NEW CALIBRATION HAS A REVISED DMF PROTECTION ALGORITHM THAT WILL ALLOW LOWER ENGINE SPEEDS AND ADDITIONAL DRIVER FEEDBACK TO DECLUTCH OR SHIFT INTO NEUTRAL, BEFORE INTERVENTION OCCURS.
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
Electrical system, Engine, Transmission and driveline, Manual transmission, Software
| CADILLAC ATS | 2013, 2014 |
|---|
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