# Service bulletin PIT4383Q

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: 10099962
- Published by NHTSA: 2017\-05\-22
- Manufacturer's number: PIT4383Q
- Manufacturer's date: 2016\-09\-22
- NHTSA component: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE; SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

## NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE ELECTRONIC BRAKE CONTROL MODULE AND BRAKE PRESSURE MODULATOR VALVE FOR THE 2\-MODE HYBRID UTILITIES AND TRUCKS ARE NOW OFF RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER.

## 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

Brakes

## Vehicles listed

- 2009 to 2013 CADILLAC ESCALADE
- 2009 to 2012 CADILLAC ESCALADE ESV
- 2009 to 2013 CADILLAC ESCALADE EXT
- 2009 to 2013 CHEVROLET SILVERADO 1500
- 2009 to 2013 CHEVROLET TAHOE
- 2009 to 2013 GMC SIERRA 1500
- 2009 GMC SIERRA DENALI
- 2011 to 2013 GMC SIERRA DENALI
- 2009 GMC YUKON
- 2011 to 2013 GMC YUKON
- 2009 to 2013 GMC YUKON DENALI
- 2009 to 2011 GMC YUKON XL
- 2012 to 2013 GMC YUKON XL

## Other bulletins for the same vehicles and component

- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [PIP5596A](/bulletins/10253061.md), 2024-04-15, Service bulletin: SERVICE BRAKES; FUEL SYSTEM, GASOLINE. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
- [PIT5120A](/bulletins/10247720.md), 2023-12-26, Service bulletin: SERVICE BRAKES. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
- [PIT5005A](/bulletins/10247700.md), 2023-12-26, Service bulletin: EQUIPMENT; SERVICE BRAKES. Diagnostic Tip \- Service Trailer Brake Message And Unable To Clear DTCs
- [PIT4729E](/bulletins/10247669.md), 2023-12-26, Service bulletin: EQUIPMENT; SERVICE BRAKES. Adding Integrated Trailer Brake Controller RPO JL1.
- [PIT5161B](/bulletins/10247072.md), 2023-12-11, Service bulletin: SERVICE BRAKES. Bump Feel Or Clunk Noise After A Stop.
- [PIT5122D](/bulletins/10247066.md), 2023-12-11, Service bulletin: VEHICLE SPEED CONTROL:CRUISE CONTROL; SERVICE BRAKES. Stability Message Low Power Brake Light And Cruise Control Operation.
- [120232002A](/bulletins/10245766.md), 2023-12-04, Service bulletin: POWER TRAIN; BACK OVER PREVENTION; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST:PUMP; SERVICE BRAKES. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation \(Replace Power Steering Fluid\)
- [PIT4729E](/bulletins/10245308.md), 2023-11-20, Service bulletin: SERVICE BRAKES; TRAILER HITCHES. Adding Integrated Trailer Brake Controller RPO JL1.

JSON: [/v1/bulletins/10099962](/v1/bulletins/10099962)

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