P1689 Diagnostic Trouble Code Discussion for March 2004
Traction Control Delivered Torque Output Circuit Malfunction
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| Help Request | Posted | |
| 1999 Dodge Ram 3500 5.9L Hesitation, Cuts out, MIL Lamp on VIN: 1B7MF3367X P1689: no comunication between inj pump and cummins ecm. ... split second or two, at 2200 rpm under load, and at that time the check engine light comes on, storing code p1689=no com between ecm and inj pump module. i can get past the 2200rpm area if truck not under load ie coming down a hill or lightly accelerating... |
March 01, 2004 |
