Chevrolet Silverado 2500 HD Problem Report
Chevrolet Silverado 2500 HD Service 4WD Message May be Displayed
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
PUSH BUTTON FOR FOUR HIGH AND THE LIGHT BLINKS AND SERVICE 4X4 CODE COMES UP.TRIED PUTTING IN FOUR LOW AND IT MADE A CLUNK AND COULD NOT GET OUT THEN AFTER TRING FOR A WHILE IT CAME OUT? - Visitor
service 4wd message came on. replaced position switch - Visitor
2015 Silverado 2500 4WD service warning comes on for no apparent reason. - Visitor
service 4WD light came on at 97654 as I pulled into my driveway turned pickup off and restarted and light stayed off. Then at 105136 service 4WD light came on again diving down the highway pulled off the highway onto shoulder turned pickup off and then restarted light stayed off but taking pickup to be serviced this week. - Visitor
information center displays service 4x4 changed 4x4 transfer case selector same issue service 4x4 - Visitor
Replaced 4WD electrical engage system one year ago and the problem has now returned. The cost was over $800.00 for this repair. - Mix
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