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you will have to have it scanned to find the problem. once the problem is fixed it can be cleared with a scanner.
and this is not recommended but sometimes works : if you un hook your battery for 30 min or so it resets the CPU to normal standards if the light comes back on you still have a problem
If you have a push button 4x4 system, this light will come on intermittently,
My prob was a bad switch (go figure!) Like 60 bucks at the dealer.
I have an 03 Silverado, Service 4WD Light on. The 1st time the mice chewed the wires by the transfer case. Fixed the problem once the wires were fixed. The 2nd time I checked all fuses, OK, checked all wiring OK, getting power everywhere. I pulled the 4wd switch out, popped it apart since many guys suggested the connector bread and to put a drop of solder on it. Not my problem all my lights were burned so my switch was fried. I bought a new switch $88.00 and nothing worked so I disconnected the battery for 15 minutes and it reset the system and everything is OK. So try the battery disconnect first and save some money but in my case my switch was fried anyway. Good Luck
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Why can't I reset service 4wd I have a 05 Chevy Silrado with 63000 my service 4 wd indicator came on at 50000I reset it now at 63000 it's on again and won't let me reset. shift indicator lights inop?
My 2005 Chevy 4wd, ext. cab,shrt bed, has push buttons to go from(from top to bottom) Auto 4wheel drive, to 2 High , then to N(neutral), and then to 4 high, then to 4 low. At approx. 50,000 mi. the service indicator light came on and indicated "Service 4wd." I re-set the indicator, and forgot about it. Now, at 63,000 mi. it's telling me to service the 4wd, only this time the reset works until I turn the ignition off. when I restart, the service light comes on. However, the indicator lights that show which gear the transfer case is in, does not light up, and there is no automatic shifting of the transfer case. Is there a simple solution to this problem? Recommendations...Please! popo63
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