When to replace the transfer case control module?
Go on checking the battery positive voltage and ignition voltage. You also have to diagnose the connector of the transfer case shift control switch and the ground circuit for ground. If the TCCM fails the self-test but all these circuits turn out fine, you have to replace the TCCM. It is normal to have this message sometimes.
What to do if transfer case switch does not work?
You have to move onto examining a couple of circuits if the indicators don’t flash. Go on checking the battery positive voltage and ignition voltage. You also have to diagnose the connector of the transfer case shift control switch and the ground circuit for ground.
What to do when your service required warning light goes off?
After the repair work is done, a reset procedure is usually necessary to turn the light off. On most cars, there should be a way to do the reset procedure using just the key and without any special equipment or tools. The owner’s manual of your car may have the procedure in it or you can look online to find the exact procedure.
What are symptoms of bad transfer case control module?
If the shift is not possible, the selector switch will come on and flash for 30 seconds. Locating the TCCM is not tough. Will BMW End the Production of Manual Cars? 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).
What happens when you change your transfer case?
But when your transfer case needs to be replaced, it’ll often throw a wrench into your plans. It’ll randomly result in your vehicle’s four-wheel drive feature disengaging and leave you struggling to keep your vehicle in four-wheel drive when you need it to be.
When to use transfer case shift control module?
If no buttons are pressed, and the transfer case shift control module detects a voltage level outside the possible range (approx. 0.5-1.0 volts) for longer than 5 minutes, the transfer case shift control module will set this DTC if a button is held down or sticks for a period longer than 5 min- utes.
How does the transfer case mod-Ule work?
mode control is a set of normally open switches that vary the voltage supplied by the transfer case module when closed. The transfer case mod- ule sends 8 volts to the switches, then monitors the return circuit to deter- mine whether any of the switches is depressed.
Can you reset the warning service 4WD system?
You cannot simply “reset” the Service 4WD System. That message is being displayed to alert you there is a problem in the system. This is usually a circuit problem in the front or rear differential solenoids. or a transfer case motor circuit issue.