How long does it take to fix 4WD selector light?
Using just a few handy troubleshooting tips and inexpensive materials, you can usually diagnose and repair a faulty 4WD selector light in about 15 minutes to an hour. Here are a few simple things you can do to get this light working properly again.
Why does the 4 wheel drive light come on?
Vehicles that have four wheel drive systems tend to have a separate light to indicate an issue with the system. Usually labeled “Service 4WD”, when this light comes on, a code will be stored in the computer’s memory to help identify any issues. Depending on the problem, the four wheel drive may be disabled temporarily.
When does the service engine soon light come on?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.
When does the service AWD system light come on?
The “Service AWD System” light comes on when the computer detects that there is an issue with the AWD system. In most cases an issue with the AWD system will disable the system completely in order to protect the system from further damage.
What happens when the service 4WD light comes on?
When the Service 4WD light comes on, it also shuts down the 4WD capability for the remainder of the drive cycle. This is a software issue and can only be corrected by flashing the computer’s memory.
Where is the service 4×4 light on the dash?
Technicians may find DTC C0327 in the Transfer Case Control Module (TCCM) and/or DTC P0836 in the Transmission Control Module (TCM) and/or DTC P0500 and P1875 in the Powertrain Control Module (PCM). It is possible that the module may be in a mode that will not allow any shifts or updates for the software or calibrations.
What does ” service 4WD system ” message mean?
Properly diagnosing and repairing any problems found should restore the system to proper operation. The “Service 4WD System” message does not mean it is time for routine maintenance of the 4WD system; rather, it indicates a problem with the 4WD system that should be properly diagnosed and repaired.
What to do when your four wheel drive light is on?
If your service light is on or if your four wheel drive system doesn’t seem to be working properly, ask one of our certified technicians to help you diagnose any problems. The most popular service booked by readers of this article is Warning Light is on Inspection.