Service bulletin 01946
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10006497 |
| Published by NHTSA | 2004-05-04 |
| Manufacturer's number | 01946 |
| Manufacturer's date | 2004-01-01 |
| Replaces | 01946A |
| NHTSA component | EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS |
NHTSA's summary
HAZARD LIGHT FLASHES WHEN TURN SIGNAL APPLIED. *MR
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Lighting
| CHEVROLET SILVERADO | 2003, 2004 |
|---|---|
| CHEVROLET SUBURBAN | 2003, 2004 |
| CHEVROLET TAHOE | 2003, 2004 |
| GMC SIERRA | 2003, 2004 |
| GMC YUKON | 2003, 2004 |
| GMC YUKON DENALI | 2003, 2004 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL | 2003, 2004 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| 010842001M | 2019-12-16. Service bulletin. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. |
| PIT3219F | 2019-06-10. Service bulletin. This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps. |
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