Service bulletins for the 2019 Chevrolet Silverado
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.
2229 on file from NHTSA, as of 2026-10-19.
About P0606 on the 2019 Chevrolet Silverado: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0606 are shown. Show all
| 24-NA-087 | 2024-06-12. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin provides a procedure to update the TCCM to correct a customer concern of Unable to Shift into 4WD and/or 4WD Inoperative - DTC P0606 Set. |
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| 20NA073 | 2020-10-26. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2. |
| PIT5728D | 2020-03-09. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This Preliminary information communicates an issue with DTC P0606 and C0021 setting after completing campaign N192268090 and advises to reprogram the BSCM with updated calibrations available in Tis2Web. |
| PIT5728C | 2020-02-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with DTC P0606 and C0021 setting after completing campaign N192268090 and advises to reprogram the BSCM with updated calibrations available in Tis2Web. |
| PIT5728B | 2020-02-10. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates an issue with DTC P0606 and C0021 setting after completing campaign N192268090 and advises to reprogram the BSCM with updated calibrations available in Tis2Web. |
| PIT5728A | 2020-02-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates an issue with DTC P0606 and C0021 setting after completing campaign N192268090 and it provides information about using and maintaining proper battery voltage while programming the BSCM. |
| PIT5728 | 2020-01-21. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with DTC P0606 and C0021 setting after completing campaign N192268090 and it provides information about using and maintaining proper battery voltage while programming the BSCM. |
| PIT5634 | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. This Preliminary information communicates and issue with a customer concern of a SES MIL, Reduced Engine Power, Service Brake System, and/or Speed Limited message, a lack of brake assist making the brake pedal hard and DTC P0606. These issues can be caused by a low voltage conditions, but the EBCM incorrectly sets a DTC P0606 for a Control Module Processor Performance error. If the SI diagnostics are followed for DTC P0606 it can lead to a misdiagnosis and an incorrect repair. Dealers are advised to inspect for a low voltage condition and follow SI diagnostics for DTC P0562 "System Voltage Low". Engineering is trying to determine next steps in the resolution of this issue. It will likely be an update to SI or a change to the EBCM Calibration or both. |
| PIT5634 | 2018-11-13. Service bulletin. SERVICE BRAKES. This Preliminary information communicates and issue with acustomer concern of a SES MIL, Reduced Engine Power, Service Brake System, and/orSpeed Limited message,a lack of brake assist making the brake pedal hard andDTCP0606. These issues can be caused by a low voltage conditions, but the EBCM incorrectly sets a DTC P0606 for aControl Module Processor Performance error. If the SI diagnostics are followed for DTC P0606 it can leadto amisdiagnosis and an incorrect repair. Dealers are advised to inspect for a low voltage condition and follow SI diagnostics forDTC P0562 "System Voltage Low". Engineering is trying to determine next steps in the resolution of this issue. It will likely be an update to SI or a change to the EBCM Calibration or both. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.