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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 739 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P1554: Cruise Control Engaged Signal While Inhibiting Cruise Control Operation >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 8.  This vehicle is equipped with a PCM which utilizes an electrically erasable programmable read-only memory (EEPROM). When the PCM is replaced, the new PCM must be programmed.
Fig 1: Identifying DTC P1554 Diagnostic Table
G01779997Courtesy of GENERAL MOTORS CORP.
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