Cadillac Escalade Esv 2007–2014 — technical service bulletin

Bulletin PIT5082B · NHTSA communication 10151832 · issued Nov 13, 2018

Technical service bulletin

communication type

Visibility

component

2007–2014

model years

vehicle entries

Official summary

This Preliminary Information communication provides information to the technician about vehicle HVAC system does not always respond to requests for changes in air delivery or temperature from the HVAC controls. The technician may find that the HVAC control module will communicate with the scan tool but the HVAC door data actual counts will read 0 counts. The dealer is directed to ensure there is 12V on circuit 300 at HVAC control module before replacing module.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.