Test Description

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. 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:

3. Tests for the proper operation of the circuit in the low voltage range.

Fig 1: DTC P0463 Diagnostic Chart (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0463 Diagnostic Chart (2 Of 2)

Courtesy of GENERAL MOTORS CORP.