Cadillac Elr 2011–2016 — technical service bulletin
Bulletin 21NA218 · NHTSA communication 10207913 · issued Dec 9, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2011–2016
model years
8
vehicle entries
Official summary
This bulletin provides a diagnostic service procedure to correct customer concerns of Reduced Propulsion (EREV), Malfunction Indicator Lamp (MIL) Illuminated with DTC P0C17, P1B03 and/or P0C01 Set.
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.