 
				
	| 1996 GMC C1500 Sierra SL 5.0L MIL Lamp on, Harsh trans engage Original diagnosis for MIL on and harsh trans engage and shift included resistance test of TCC solenoid performed at disconnected 20 pin connector of trans, reading was in spec. Nearly identical readings obtained when tested at PCM connector and trans fuse. Wi... 
                        
                            FIX posted 8/2/2004
                               
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 | Message Closed w/FIX 
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| VIN | 2GTEC19M1T | 
| Engine | 5.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / CPI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp on, Harsh Trans Engage | 
| Occurs | Always | 
Trouble Codes
| P0325 | Knock Sensor 1 Circuit Malfunction | 
| P1864 | TCC Enable Solenoid Circuit Malfunction | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1996 GMC C1500 Sierra SL
| VIN | 2GTEC19M1T | 
| Engine | 5.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / CPI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp on, Harsh Trans Engage | 
| Occurs | Always | 
Trouble Codes
| P0325 | Knock Sensor 1 Circuit Malfunction | 
| P1864 | TCC Enable Solenoid Circuit Malfunction | 
 7 Replies Received
7 Replies Received
 7 Replies Received
          7 Replies Received
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