P1631 Diagnostic Trouble Code Discussion for June 2017
Theft Deterrent - Start Enable Signal Not Correct
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| Help Request | Posted | |
| 2006 GMC Savana 3500 4.8L No Start VIN: 1GDGG31V66 P1631: Theft Deterrent - Start Enable Signal Not Correct. Looking for help guys. Not sure how to get the answer. Van came from another shop. It cranks, but no start. They replaced crank sensor & connected used BCM & PCM. Asked me to reprogram the modules. After reprograming both modules & relearning pass ... |
June 22, 2017 |
