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P1693 Diagnostic Trouble Code Discussion for July 2014

Transponder No Response Error / Invalid Response

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Trouble Ticket Help Requests for DTC P1693
Help Request Posted
2000 Dodge Ram 3500 5.9L No Start VIN: 3B6MF3663Y
P1693: code in companion module. ... won't fire. Code in Cummins module p1693 indicating a code in the Jtec module. Code in Jtec P0122 APPS signal voltage low. Crazy thing is if we clear the P0122 in Jtec with a scan tool it will fire immediately. What correlati...
July 28, 2014