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Buick PCM? issue
Car has intermittent no crank. No communication with PCM when this occurs. U1000 class 2 data dtc sets in various modules. If I apply a ground to the starter relay control circuit using a test light, the car will start and run and I can communicate with PCM. I... Login to read more. 
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| Engine | 3.6 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2005 Buick LaCrosse CXS 3.6L
| Engine | 3.6 L |
| Trans | 4-speed Automatic (Electronic) |
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