TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
Service Update. Certain vehicles listed above may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18°C (0°F) or less). Dealers will install a TCV thermal wrap and, if applicable, reprogram the Engine Control Module.

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Date Published
DEC 22, 2022
NHTSA TSB #
10228222
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