Service bulletin PIT6212D
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 | 11021312 |
| Published by NHTSA | 2025-08-04 |
| Manufacturer's number | PIT6212D |
| Manufacturer's date | 2025-07-29 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Trouble codes named
C1114
| CADILLAC ESCALADE | 2024, 2025, 2026 |
|---|---|
| CADILLAC ESCALADE ESV | 2024, 2025, 2026 |
| CHEVROLET COLORADO | 2024, 2025, 2026 |
| CHEVROLET SILVERADO 1500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO EV | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 1500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2024, 2025, 2026 |
| GMC CANYON | 2024, 2025, 2026 |
| GMC SIERRA 1500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA EV | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2024, 2025, 2026 |
| GMC YUKON XL | 2024, 2025, 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.