P1794

SYMPTOM
P1794 - SPEED SENSOR GROUND ERROR

WHEN MONITORED
The transmission gear ratio is monitored continuously while the transmission is in gear.

SET CONDITION
After a TCM reset in neutral and Input/Output equals a ratio of input to output of 2.50.

POSSIBLE CAUSES
- Intermittent wiring and connectors
- Speed sensor ground circuit open
- TCM - speed sensor ground