Engine Control Module Cannot Detect Catalyst Revised Service Procedure
Chevrolet technical service bulletin N21234803001 for 2017 Chevrolet Cheverolet SS and 2015-2016 Chevrolet City Express.
- Bulletin number
- N21234803001
- Component
- Electrical system
- Summary
- Engine Control Module Cannot Detect Catalyst Revised Service Procedure
Owners of these vehicles have filed 2 complaints in the electrical category.
Vehicles covered
- Chevrolet Cheverolet SS 2017 2017
- Chevrolet City Express 2015-2016 20152016
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