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Cadillac TSB #16NA266
2016 Cadillac CT6
TSB Document:
Affected Component: EXTERIOR LIGHTING
- Summary
- This technical bulletin provides a procedure to update the ECM to the latest software and calibration available to correct a customer concern that the Malfunction Indicator Lamp is illuminated and/or the remote start will not start the vehicle due to a voltage spike in the ECM, above the threshold value which will set the code P0132 or P223E.
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