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Unable to Reset Engine Oil Life Monitor (Reprogram PCM)

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
2004 Hummer H2
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® is updated with the latest software version.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J6354

Module, Powertrain Control - Reprogram

0.4 hr