Possible Causes
| Possible Causes |
|---|
| (T378) OUTPUT SPEED SENSOR SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE |
| (T14) OUTPUT SPEED SIGNAL CIRCUIT SHORT TO GROUND |
| (T14) OUTPUT SPEED SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (T14) OUTPUT SPEED SIGNAL CIRCUIT SHORT TO VOLTAGE |
| OUTPUT SPEED SENSOR |
| INTERNAL TRANSMISSION WIRING |
| TRANSMISSION ELECTRO HYDRAULIC CONTROL MODULE (TEHCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Transmission Electronic Hydraulic Control (TEHCM) - Standard Procedure .