Test Description

The number below refers to the step number on the diagnostic table. 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: Diagnostic System Check - DTC P0463 (1 Of 2)

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Fig 2: Diagnostic System Check - DTC P0463 (2 Of 2)

Courtesy of GENERAL MOTORS CORP.