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Ram TSB #9004276
2020 Ram 4500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- PUMP, Fuel Injection This part requires a unique calibration to be programmed into the Engine Control Module (ECM). Failure to program the ECM with the correct calibration after installation of this pump will create an undesireable noise characteristic from the pump. Please be sure to follow all normally published Service Bulletins, and Service Information for the latest installation instructions, and programming steps.
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