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Engine Controls - SES Lamp ON/DTC's P0133/P0172

Bulletin No.: 04-06-04-053

Date: July 20, 2004

TECHNICAL

Subject:
Service Engine Soon Light On, P0133, P0172 (Reprogram PCM)

Models:
2004 Buick Rainier
2003-2004 Chevrolet Trailblazer
2003-2004 GMC Envoy
2003-2004 Oldsmobile Bravada

with 4.2L Engine (VIN S - RPO LL8)

Condition

Some customers may comment on the Service Engine Soon light coming on and no apparent vehicle driveability condition. Upon investigation, the technician will find diagnostic trouble codes P0133 or P0172.

Correction

Reprogram the PCM with the latest calibration available.

The new calibration will be released beginning with TIS satellite data update version 2.5 for 2004 available February 2004. As always, make sure your TECH2(R) is updated with the latest software version.

Warranty Information





For vehicles repaired under the applicable 8 year or 80,000 mile (130,000 kilometers) emission controller warranty, use the table.





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