Engine Controls - Poor Generic SCAN Tool Communications
Bulletin No.: 04-06-04-022Date: April 07, 2004
TECHNICAL
Subject:
Powertrain Control Module (PCM) Will Not Properly Communicate On-Board Diagnostic Oxygen Sensor Test Information to Non-TECH2(R) (Generic) Service or Test Equipment (Reprogram PCM)
Models:
2000-2003 Cadillac DeVille, Seville
2001-2003 Oldsmobile Aurora
with 4.0L or 4.6L V8 Engine (VINs C, Y, 9 - RPOs L47, LD8, L37)
Condition
Some customers may comment that their vehicle's engine is unable to be properly serviced or tested using non-TECH2(R) (Generic) service or test equipment. When requested using non-TECH2(R) (Generic) service or test equipment, these vehicles are unable to properly communicate oxygen sensor response diagnostic test results and limits.
Correction
Reprogram to the latest calibration available through TIS.
The new calibration should be from TIS satellite data update version 1.0 for 2004 or later, available starting January 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 80,000 mile (130,000 kilometers) emission controller warranty, use the table shown.
Disclaimer