LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.8L - DTC P0385 To DTC P2108 >> DTC P0401 >> Reference Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Reference Information

Description and Operation 

Electronic Ignition (EI) System Description

DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

scientia non olet · About LEMON Manuals