Service bulletins for the 2015 Chevrolet Trax
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1312 on file from NHTSA, as of 2026-10-19.
About P0420 on the 2015 Chevrolet Trax: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P0420 are shown. Show all
| 19NA057 | 2020-04-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM; EQUIPMENT. This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Malfunction Indicator Lamp (MIL) Illuminated, DTC P0420 Set. |
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| 19NA057 | 2019-04-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Malfunction Indicator Lamp (MIL) Illuminated, DTC P0420 Set. |
| 18NA331 | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. This bulletin provides a procedure to reprogram the ECM to correct a condition of MIL On, DTC P0420 Set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.