# Service bulletin PIT5457D

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: 10162127
- Published by NHTSA: 2019\-07\-08
- Manufacturer's number: PIT5457D
- Manufacturer's date: 2019\-06\-14
- NHTSA component: SUSPENSION

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162127-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162127-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Trouble codes named

U0077, U0121, U0126, U0131, U0139, U0401, U0415, U0428

## Vehicles listed

- 2015 to 2016 CADILLAC ESCALADE ESV
- 2017 to 2019 CADILLAC ESCALADE ESV
- 2017 CHEVROLET SILVERADO
- 2014 to 2019 CHEVROLET SILVERADO 1500
- 2015 to 2019 CHEVROLET SILVERADO 2500
- 2015 to 2019 CHEVROLET SILVERADO 3500
- 2019 CHEVROLET SILVERADO 4500
- 2015 to 2019 CHEVROLET SUBURBAN
- 2015 to 2019 CHEVROLET TAHOE
- 2017 GMC SIERRA
- 2014 to 2019 GMC SIERRA 1500
- 2015 to 2019 GMC SIERRA 2500
- 2015 to 2019 GMC SIERRA 3500
- 2019 GMC SIERRA DENALI
- 2015 to 2019 GMC YUKON DENALI

## Recalls for the same vehicles and component

- [2016190](/recalls/tc/2016190.md), 2016-04-28: Suspension
- [16V256000](/recalls/nhtsa/16V256000.md), 2016-04-28: SUSPENSION:FRONT:CONTROL ARM

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [18\-NA\-315](/bulletins/11017424.md), 2025-05-01, Service bulletin: SUSPENSION. This service bulletin advises the tech to only replace the shock that is bad and not all shocks.
- [05\-03\-07\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [19\-NA\-129](/bulletins/11015042.md), 2025-03-05, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11014358.md), 2025-02-19, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
- [19\-NA\-129](/bulletins/11008959.md), 2024-10-17, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [05\-03\-08\-002J](/bulletins/11007936.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [05\-03\-08\-002J](/bulletins/11007935.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [19\-NA\-129](/bulletins/11005189.md), 2024-07-24, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11004990.md), 2024-07-20, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.

JSON: [/v1/bulletins/10162127](/v1/bulletins/10162127)

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