Malfunction Indicator Lamp (MIL) Illuminated During Engine Crank – DTC P0046 Set – 2017-2023 Chevrolet Silverado & GMC Sierra
NHTSA ID Number: 10222662 Manufacturer Communication Number: 21-NA-113 Summary This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Condition Some customers may comment that the MIL is illuminated. Some technicians may find DTC P0046 (Turbocharger Boost Control Position Performance) set in the Engine Control Module (ECM). Cause This condition …