Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10224856 Manufacturer Communication Number: 21-NA-149 Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   Condition 1 This Condition pertains to vehicles equipped with engine 2.7L, L3B only. Some customers may comment on any of the following concerns: – SES MIL – No Start – No …

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Malfunction Indicator Lamp (MIL) Illuminated with DTCs P2096 and/or P0621 – 2015 Chevrolet Impala

2015 Chevrolet Impala

NHTSA ID Number: 10201128 Manufacturer Communication Number: PI1409A   Summary Malfunction Indicator Lamp (MIL) Illuminated with DTCs P2096 and/or P0621 Set     Condition/Concern Malfunction indicator lamp (MIL) being illuminated. Diagnostic trouble codes (DTCs) P2096: Post Catalyst Fuel Trim System Low and/or P0621: Generator L-Terminal Circuit set as current or history.   Recommendation/Instructions If following the diagnostic …

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