For 1990-2009 cars only
Bump or Noise When Accelerating from a Stop, Surge in 1st Gear (Reprogram ATCM)
| Subject: | Bump or Noise when Accelerating from a Stop, Surge in 1st Gear (Reprogram ATCM) |
| Models: | 2002 Oldsmobile Bravada |
| with All-Wheel Drive and 4.2L Engine (VIN S -- RPO LL8) |
| Built Prior to VIN Breakpoint 22239887 |
Condition
Some customers may comment on a bump or noise when accelerating from a stop. Also, customers may comment on a surge condition under moderate to hard acceleration while the vehicle is in first gear.
Correction
Reprogram the ATC Active Transfer Case Module with the appropriate calibration from the table below.
Parts Information
The calibration listed is an electronic calibration and is NOT available from GMSPO. Calibrations will be available from Techline starting September 2001, on the TIS 2000 version TIS 10/2001 data update or later.
Transfer Case | New Calibration P/N |
|---|---|
NVG 126 | 12575795 |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
N8521 | Module, Transfer Case - Reprogram | 0.4 hr |
