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P1819 Diagnostic Trouble Code Discussion for December 2012

Internal Mode Switch - No Start/Wrong Range

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Trouble Ticket Help Requests for DTC P1819
Help Request Posted
2001 Pontiac Bonneville SE 3.8L No Start, No crank VIN: 1G2HZ54131
P1819: Internal Mode Switch - No Start/Wrong Range. ... till I tried to start it. No crank! Has code P1819 transmission range incorrect. Scan data showed no change on the a,b,c,p ,PCM inputs when moving shifter. Any ideas? Thank you.
December 21, 2012