Chevrolet Silverado 1500 owners have reported 2 problems related to engine engine control module (ecu/ecm) (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500.
The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the engine was running rough. The message "service ecm" was displayed. The vehicle was taken to auto zone, where diagnostic trouble codes displayed fuel injector misfiring on cylinders 1 and 4. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was unknown.
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The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to pull over to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the fuel pump. The vehicle was repaired, but the failure reoccurred. The vehicle was taken to an independent mechanic, who diagnosed a failure with the ecm wiring harness. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 13,000.
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