TSB Document:

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

Summary
Intake Grid Heater, Grid Heater Relay 2012 - 2016 6.7L Cummins engines with Intake Heater issues or DTC P2609 and P0542, please replace the Intake Heater Grid and Relay as a set. 68210071A$ (heater grid) and 05187880A$ (relay). Inspect electrical cable between the heater grid and relay for signs of possible overheating. Replace cable as necessary.

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Date Published
NOV 29, 2017
NHTSA TSB #
10216280
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