P1794

Symptom: P1794-SPEED SENSOR GROUND ERROR

When Monitored and Set Condition:

When Monitored: The transmission gear ratio is monitored continuously while the transmission is in gear.

Set Condition: After a PCM reset in neutral and Input/Output Ratio equals a ratio of 2.50 to 1.0 ± 50.0 RPM.

POSSIBLE CAUSES
- SPEED SENSOR GROUND CIRCUIT OPEN
- POWERTRAIN CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS

Test 1:

Test 2 - Test 5: