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P1688 Diagnostic Trouble Code Discussion for June 2005

Unmanaged Engine Torque Signal Delivered To TCM


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Trouble Ticket Help Requests for DTC P1688
Help Request Posted
2000 Dodge Ram 2500 5.9L No Start VIN: 1B7KF2360Y
P1688: fuel injection pump failure. hope someone can point us in the right direction.diesel is not our shop specialty.what we have is a very good customer's vehicle towed in after dying out on the road.tested for fuel at injector pump,none found.checked for power at lift pump good ground no volt...
June 17, 2005