P1554

Manufacturer-specific fault code

This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:

Code breakdown

P — System

Powertrain (engine, transmission, fuel & emissions)

1 — Type

Manufacturer-specific

5 — Subsystem

Vehicle speed control, idle control and auxiliary inputs

Buick Cadillac Chevrolet Chrysler GM GMC Oldsmobile Saturn
Cruise Engaged Circuit High Voltage
Volkswagen
Idle Speed Control Throttle Position Missing Adaptation Conditions