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P1637 Diagnostic Trouble Code Discussion for August 2010

Generator 'L' Terminal Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1637
Help Request Posted
1999 Chevrolet Corvette 5.7L long crank time VIN: 1G1YY32G2X
P1637: Generator 'L' Terminal Circuit Malfunction. this car cam in with a running rough problem,and a complaint of a long crank time.checked the fuel presser and noticed it would read 55 pounds but would drop down tow 0 pounds real fast,so i jumped on it and replaced the fuel pump.did not fix the problem.this ...
August 10, 2010
1999 Chevrolet Corvette 5.7L long crank time VIN: 1G1YY32G2X
P1637: Generator 'L' Terminal Circuit Malfunction. this car cam in with a running rough problem,and a complaint of a long crank time.checked the fuel presser and noticed it would read 55 pounds but would drop down tow 0 pounds real fast,so i jumped on it and replaced the fuel pump.did not fix the problem.this ...
August 10, 2010