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P0602 (2) Chevrolet Uplander I

Testing & Diagnostics

The ECM has not been programmed with Key On and Engine Off for one sample. Each sample is 100 milliseconds. The ECM has not been programmed at Key On and Engine Off for 0.1 second. This diagnostic runs continuous.

More articles — Engine Controls - 3.9L - DTC P0442 to P2A01