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How do I reset TCCM?

How do I reset TCCM?

Cheap way – To clear the codes and reset the computer, pull the 5 amp TCCM fuse, located at the bottom of the fuse box. Wait at least a half hour, and then replace the fuse. Turn the ignition key to run, wait for the 4×4 lights to blink, and then turn off. Repeat 5 times, and then start the truck.

How to check TCCM?

A quick and easy test for the 4WD light system is to ground TCCM terminals #C11, C12 & C13 individually and see if each 4WD light illuminates. If each 4WD light illuminates, the 4WD light circuits are intact. Suspect a possible TCCM problem.

Why does the 4×4 indicator light keep flashing?

The lights on the 4×4 indicator (switch) will flash in a pattern, there are only 4 codes, one flash is code one, 2 flashes is a code 2, and so on… Code “1” is “RAM standby power” and is considered normal, may be caused by clearing the codes.

Why is the 4 wheel drive light blinking?

The 4-Lo engaged the low-range transfer case for rough and challenging off-road driving. Fast forward a few decades and, enter the Actuator. The actuator is a component found mostly on modern four wheel drives and is designed to electronically engage 4 wheel drive.

When does the selected position indicator light stop flashing?

The selected position indicator light will flash until the transfer case completes the shift. When the shift is complete, the indicator light for the selected position will stop flashing and remain ON. If any of the shift conditions are not met, the indicator position light will continue to flash. You cannot be in gear for it to work.

What are the symptoms of a bad TCCM?

Transfer Case Control Module Symptoms Symptoms of a bad TCCM are likely to include flashing a warning message or turning on a warning light on the Driver Information Center (DIC). Apart from this obvious transfer case control module problem, you can look out for these following ones: The 4×4 System Stops Working

The lights on the 4×4 indicator (switch) will flash in a pattern, there are only 4 codes, one flash is code one, 2 flashes is a code 2, and so on… Code “1” is “RAM standby power” and is considered normal, may be caused by clearing the codes.

Why is my service 4WD indicator not working?

If the wires are broken, the actuator won’t operate and the actuator won’t move. If it does not move to the proper position, the buttons on the dash will blink and the “Service 4WD” indicator will be lit because the TCCM never sees a complete 4WD engagement. The ground wire to my front axle actuator was the culprit on my truck.

Transfer Case Control Module Symptoms Symptoms of a bad TCCM are likely to include flashing a warning message or turning on a warning light on the Driver Information Center (DIC). Apart from this obvious transfer case control module problem, you can look out for these following ones: The 4×4 System Stops Working

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Ruth Doyle