P1689 Cummins: No communication between the ECM and the injection pump module data
When the p1689 Cummins engine code appears after you run a diagnostic on your vehicle, you should get the setback in your truck fixed before it worsens.
When the p1689 Cummins engine code appears after you run a diagnostic on your vehicle, you should get the setback in your truck fixed before it worsens.
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