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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Cruise Control System) >> Diagnostic Tests >> DTC P1554: Powertrain Control Module Detects Cruise Engaged Signal >> Conditions For Setting The DTC

Conditions For Setting The DTC

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

The PCM detects a cruise engaged signal from the cruise control module, while inhibiting cruise control operation.