LM2 Diesel DTCs P0545 or P04D1 Set – 2020-2021 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado

NHTSA ID Number: 10201272 Manufacturer Communication Number: PIP5808 Summary This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM.   Condition: SES light is on and DTCs P0545 or P04D1 set. P0545 – Exhaust Gas Temperature Sensor 1 (B131A) Circuit Low Voltage. DTC P04D1 – Exhaust Gas … Read more

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 … Read more