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Class 2 check with Tech 2?
When scanning a vehicle with a Tech 2 performing a class 2 check, I have seen this anomaly where the a module will show a DTC present one second and then the next it shows its not (alternating between yes to no.) [2004 Pontiac Grand Prix GT2, ECM/Inputs/Output... Login to read more. ![]()
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| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2004 Pontiac Grand Prix GT2 3.8L
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |

26 Replies Received
26 Replies Received