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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 266 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P1554: Incorrect Cruise Engage Signal >> Test Description

Test Description

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

The numbers below refer to the step numbers 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.
    2. Fig 1: Identifying DTC P1554 Diagnostic Table
    G01755452Courtesy of GENERAL MOTORS CORP.
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