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 PCM reset in neutral and Input/Output Ratio equals a ratio of 2.50 to 1.0 [00b1] 50.0 RPM.
POSSIBLE CAUSES
- Intermittent wiring and connectors
- Speed sensor ground circuit open
- PCM - Speed sensor ground