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P0602 Diagnostic Trouble Code Discussion for December 2012

Control Module Not Programmed


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Trouble Ticket Help Requests for DTC P0602
Help Request Posted
2001 Dodge Ram 3500 Truck 5.9L Poor Idle Quality, Surge, Stall
P0602: Checksum Error. ... stall after the first startup of the day. The engine starts immediately, RPMs reach idle speed and then drop to 400 RPM before settling back at a normal idle. This only happens after sitting over night with temperatures below 0*C. The customer made an app...
December 04, 2012
2001 Dodge Ram 3500 Truck 5.9L Poor Idle Quality, Surge, Stall
P0602: Checksum Error. ... stall after the first startup of the day. The engine starts immediately, RPMs reach idle speed and then drop to 400 RPM before settling back at a normal idle. This only happens after sitting over night with temperatures below 0*C. The customer made an app...
December 04, 2012