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P1629 Diagnostic Trouble Code Discussion for February 2020

Theft Deterrent Signal Not Received


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Trouble Ticket Help Requests for DTC P1629
Help Request Posted
2003 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEC14XX3
P1629: Anti-theft fuel enable ckt-intermittently. Vehicle actually started and ran after installing ipc. When we went to drive vehicle out, it died when we gave it throttle. Now a crank, no start again. Dropped exhaust to confirm no restriction, 60psi while cranking. Great spark, anti theft code set inter...
February 19, 2020