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Driver Information Center (DIC) Fuel Economy Reading is Erratic (Update Powertrain Control Module (PCM) Software)

Subject:Driver Information Center (DIC) Fuel Economy Reading is Erratic (Update Powertrain Control Module [PCM] Software)

Models:2005 Buick Allure (Canada Only), LaCrosse
with Driver Information Center (RPO U68)
and 3.8L V6 Engine (VIN 2 -- RPO L26)



Condition

Some customers may comment on an erratic fuel economy reading on the driver information center.

Correction

A new calibration has been released to correct this condition. Reprogram the Powertrain Control Module (PCM) with software/calibrations contained in GMNAO TIS version 6.0 or later, which was released on June 6, 2005. The software correction for the erratic fuel economy reading is a part of a new calibration for an engine stall concern.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J6354

Module, Powertrain Control - Engine Reprogramming

Use Published Labor Operation Time

Add:

Diagnostic Time

0.0-0.3 hr