FixVault
Home
›
Jeep
›
2011
›
Liberty Renegade, Part Time
›
Repair and Diagnosis
›
Transmission
›
Transmission Control Systems
›
(Transmission Control Module (TCM) - Electrical Diagnostics)
›
DTC Troubleshooting
›
P1633-TCM Internal - Test External Watchdog Performance
›
Set Condition:
Set Condition:
If the TCM detects an error with the controllers external watchdog-failed the power up test.