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P1637 Diagnostic Trouble Code Discussion for November 2012

Generator 'L' Terminal Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1637
Help Request Posted
2003 Chevrolet Silverado 1500 5.3L Cuts out VIN: 1GCEK19T03
P1637: Generator 'L' Terminal Circuit Malfunction. Hi guys thanks for the help in advanced. I have this 2003 Chevy Silverado giving me fits. I initially was sold on a fuel problem. What the problem is when you go around turns slow or come to a stop the vehicle cuts out and stalls. I scanned the vehicle and no ...
November 01, 2012