On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and...
Chevrolet technical service bulletin N212342980 for 2020-2021 Chevrolet Silverado 2500, 2020-2021 GMC Sierra 2500 and 2020-2021 Chevrolet Silverado 3500 and others.
- Bulletin number
- N212342980
- Component
- Fuel system, diesel
- Summary
- On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.
Vehicles covered
- Chevrolet Silverado 2500 2020-2021 20202021
- GMC Sierra 2500 2020-2021 20202021
- Chevrolet Silverado 3500 2020-2021 20202021
- GMC Sierra 3500 2020-2021 20202021
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