Cadillac Ats 2013–2019 — technical service bulletin
Bulletin PIP5790 · NHTSA communication 10190410 · issued Mar 18, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2019
model years
7
vehicle entries
Official summary
This Preliminary information communicates a corrosion, coolant / engine oil contamination concern of the terminals located in the ECM connectors. This document is an aide for technicians to diagnose and locate a resistance concern associated with these terminals. This condition can set various trouble codes and illuminate the MIL, make the engine stall or have a crank no start condition.
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.