LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2002 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L >> Diagnostic Information and Procedures >> DTC P0220 >> Test Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Description

The number below refers to the step number on the diagnostic table.

  1. 2. This step will determine if there is a good voltage reference.
Fig 1: DTC P0220
G01599750Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals