Cadillac TSB #N202206490
2018 Cadillac CT6
Affected Component: HYBRID POWERTRAIN: INVERTER
- Summary
- Certain vehicles equipped with the hybrid propulsion ? plug-in identifier (RPO HP9) may experience certain circumstances where the engine may not start as planned and the vehicle will run only on battery power. DTC P0AB9 may also set. Dealers are to reprogram the drive motor power inverter module.