Test Description

WARNING: This page is about a different variant/trim than selected.

The numbers below refer to the step numbers on the diagnostic table.

2. Tests to see if the malfunction is intermittent.

3. Tests the internal resistance of the propshaft speed sensor.

4. Tests to see if the propshaft speed sensor can generate a sufficient amount of AC voltage.

5. Tests the FSS LO circuit for a short to ground, a high resistance, or an open.

6. Tests the FSS HI circuit for a short to ground, a high resistance, or an open.

7. Tests the FSS LO circuit for a short to voltage.

8. Tests the FSS HI circuit for a short to voltage.

9. Tests the FSS LO circuit for a short to the FSS HI circuit.

Fig 1: DTC C0305 (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC C0305 (2 Of 2)

Courtesy of GENERAL MOTORS CORP.