Displaying 1 - 10 of 54

TOPIC : ECM

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Genesis Update

This bulletin provides information related to an ECM software update to improve starting performance. Perform this update if a vehicle in in for service for an intermittent no-start concern. This applies to 2017-2018 Genesis G90 vehicles equipped with a 5.0 GDI engine.

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ECM Backup Circuit DTC

This bulletin applies to 2015 and later Infiniti vehicles. The MIL may be on, with DTC P0603 stored (ECM Back Up/Circuit).

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Caddy Fuel Pressure

This bulletin applies to 2015-2018 Cadillac Escalade vehicles equipped with a 6.2L engine. The SES lamp may be illuminated. DTCs P2635, U0074 and/or U18A2 may be set.

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Snow/Ice Mode Program

Certain 2019 Chevy Blazer vehicles may not have the snow/ice mode calibration, which results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response. GM recommends reprogramming the ECM to the latest software release.

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Module Damage Caution

The bulletin discusses module damage from incorrect AFIT usage on GM vehicles equipped with direct fuel injection.

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Nissan Battery Issue

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.

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False Code on Vette

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.

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Buick ECM

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.

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ECM Glitch

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.

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Low Batt Infiniti

This bulletin applies to 2015 and later Infiniti vehicles. The MIL may be on, with DTC P0603 stored (ECM back up/circuit).

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