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