This technical bulletin provides repair information to correct a customer concern of Service Engine Soon...
Chevrolet technical service bulletin 21-NA-214 for 2020 Chevrolet Silverado 2500, 2020 GMC Sierra 2500 and 2020 Chevrolet Silverado 3500 and others.
- Bulletin number
- 21-NA-214
- Component
- Engine and engine cooling
- Summary
- This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration.
Owners of these vehicles have filed 40 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2500 2020 2020
- GMC Sierra 2500 2020 2020
- Chevrolet Silverado 3500 2020 2020
- GMC Sierra 3500 2020 2020
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