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All Technical Service Bulletins for PROM - Programmable Read Only Memory: > < 08-06-01-011I|Page 5236
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PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - Light Throttle Hesitation/Harsh Shifts

TECHNICAL

Bulletin No.: 09-06-04-019

Date: March 23, 2009

Subject:
Hesitation During Light Throttle, Launch or Slow Speed Right Turns, Jerky or Harsh Shifts, Tachometer Movement During Deceleration (Reprogram
ECM)

Models:
2009 Buick Enclave
2009 Cadillac CTS, STS
2009 Chevrolet Traverse
2009 GMC Acadia
2009 Saturn OUTLOOK

All Equipped with 3.6L Engine (VINs D, V - RPO LLT)
All Vehicles Built in October 2008 and Earlier

Condition

Some customers may comment that the vehicle exhibits one or more of the following conditions:

-

Hesitation on light throttle tip-in or during launch from a standing start.

-

Hesitation during slow speed right turns.

-

Jerky or busy shifts on rolling hills at highway speeds with cruise control on.

-

Harsh or delayed shifts around 64 km/h (40 mph).

-

Delayed shifts after releasing accelerator.

-

Tachometer indicator bouncing during deceleration or coastdown.

Correction

Note

Make sure your Tech 2(R) is updated with the latest software version.

Reprogram the ECM with a new service calibration using the TIS2WEB Service Programming System (SPS) application.

Warranty Information

For vehicles repaired under warranty, use the table above.

Disclaimer

All Technical Service Bulletins for PROM - Programmable Read Only Memory: > < 08-06-01-011I|Page 5236