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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 515 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P1554: Cruise Control Engaged While Inhibiting Operation >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. 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: DTC P1554 Diagnostic Table
    G01830992Courtesy of GENERAL MOTORS CORP.
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