P1596

Tests 1 - 3:

Tests 4 - 8:

SYMPTOM
P1596 - SPEED CONTROL SWITCH ALWAYS HIGH

POSSIBLE CAUSES
- S/C switch ground circuit open
- S/C switch wiring harness intermittent defect
- S/C ON/OFF switch
- Signal control switch signal circuit open
- Powertrain Control Module
- Clockspring
- S/C signal circuit shorted to voltage