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	 2001 GMC Sonoma SL 4.3L Electronic 
		
		this sonoma got problem whit the transfer case shiftting .the truck pass from 4 wd hihg to 2 wd whitout commanding it .i began to put the system in diagnostic mode by grounding the dlc connector and the system give me a code 2 problem in this time the tccm... 
                        
                            FIX posted 2/14/2023
                             
                 
                            
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| VIN | 1GTD19W91K | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
Message Closed w/FIX
            
            
 Vehicle Data
                2001 GMC Sonoma SL
| VIN | 1GTD19W91K | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
                            
8 Replies Received
          8 Replies Received
          
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