Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Date Published
OCT 03, 2022
NHTSA TSB #
10222263
TSB Document
Summary
In certain vehicles, equipped with a manual HVAC system (RPO: C4P), the K33 HVAC Control Module may not properly enable the heater auxiliary coolant pump to maintain cabin heater temperature during engine auto stop events. Reprogram the K33 HVAC Control Module with updated software.