This bulletin applies to 2015 and later Nissan vehicles (except Titan trucks equipped with a Cummins V8 diesel engine). The MIL may be on, with DTC P0603 (ECM back up/circuit) stored. This is often the result of low battery voltage or battery terminal disconnections.
This bulletin applies to 2015-2016 Chevy Corvette Z06 models equipped with the LT4 engine. Some owners may comment that the MIL is on with a DIC message displayed.
This bulletin applies to 2018 Buick Enclave, 2017-2018 LaCrosse and 2018 Regal vehicles. Some customers may comment that the MIL is on. The technician may find DTC P0459 (evaporative emission purge solenoid valve control circuit high voltage) set in the ECM as active or history.
This bulletin applies to 2018 Cadillac ATS, CT6 and CTS models equipped with a 2.0L engine. On some vehicles, an electrical connection in the circuit board may fail in the engine control module (ECM). If this occurs, the MIL/Check Engine light may illuminate.
This bulletin applies to 2015 and later Infiniti vehicles. The MIL may be on, with DTC P0603 stored (ECM back up/circuit).
Some 2012-2015 model year Toyota Sequoia hybrid vehicles with the 3UR-FBE engine may exhibit a MIL on with DTCs P0171/P0174 (system too lean Bank 1/Bank 2), P0172/P0175 (system too rich Bank 1/Bank 2), P1604 (startability malfunction) and/or P1605 (rough idling), after attempting to start the engine.
This bulletin applies to 2012-2017 Nissan Titan trucks. When diagnosing for DTC C1130 (engine signal), ECM related DTC P-codes must be diagnosed, repaired and DTCs erased first before proceeding with C1130.
This bulletin applies to 2013-2019 Chevy Malibu vehicles equipped with a 2.0L engine. The MIL may be on, accompanied by DTC P0172 (fuel trim system rich) set in the ECM. The condition may be caused by driving the vehicle in short intervals, allowing excess fuel to collect in the crankcase.
This bulletin was released by Kia and is applicable to all models. On some vehicles, customers may have installed non-Kia aftermarket accessories which, under certain circumstances, may cause improper operation or even damage to components.
This bulletin applies to 2014-2017 Infiniti QX60 vehicles. When diagnosing for DTC C1130 (engine signal), ECM related DTCs (P-codes) must be diagnosed, repaired and erased first before proceeding.
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