P1631 Diagnostic Trouble Code Discussion for March 2008
Theft Deterrent - Start Enable Signal Not Correct
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| Help Request | Posted | |
| 1999 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NE12T9X P1631: Theft Deterrent Enable Signal Not Correct. engine cranks, but will not run. has go0d fuel pressure. no spark, no injector pulse. no rpm reading on scan tool. we cleared trouble codes - none of them returned. security light seems to function normal - comes on with key on and goes out after a few seconds... |
March 27, 2008 |
