Instruments - Unable to Reset Oil Life Monitor
Bulletin No.: 04-06-04-043Date: June 17, 2004
TECHNICAL
Subject:
Unable to Reset Engine Oil Life Monitor (Reprogram PCM)
Models:
2004 Buick Rainier
2004 Cadillac Escalade, Escalade ESV, Escalade EXT
2004 Chevrolet Avalanche, Express, SSR, Silverado, Suburban, Tahoe, Trailblazer
2004 GMC Envoy, Savana, Sierra, Yukon, Yukon XL
with V8 Engine (VINs G, N, P, T, U, V, Z - RPOs L18, LQ9, LM4, LM7, LQ4, LR4, L59) and Electronic Throttle Control
Condition
Some owners may comment that they are unable to reset the Engine Oil Life Monitor.
Correction
Reprogram the PCM with calibration operating system P/N 12587603 or later.
The new calibration was released beginning with TIS satellite data update version 8.0 for 2003, available August 2003. As always, make sure your TECH2(R) is updated with the latest software version.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer