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