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	 2003 Hummer H2 6.0L 4 Low Lock 
		
		Well I have a night mare here & could use a little in sight to this 4x4 system. Truck came in with the transmission slipping bad & according to customer the 4x4 system has never worked. I test drove it & the 4x4 switch would only light up in 4hi. after reb... 
                        
                            FIX posted 8/7/2021
                             
                 
                            
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| VIN | 5GRGN23UX3 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | 4 Low Lock | 
| Conditions | Will Not Shift Into 4 Low Lock | 
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 Vehicle Data
                2003 Hummer H2
| VIN | 5GRGN23UX3 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | 4 Low Lock | 
| Conditions | Will Not Shift Into 4 Low Lock | 
                            
4 Replies Received
          4 Replies Received
          
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