Test Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

3. Tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.

Fig 1: DTC P0463 Diagnostic Table (1 Of 2)
Courtesy of GENERAL MOTORS CORP.

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

Courtesy of GENERAL MOTORS CORP.