# Service bulletin PIE0456A

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: 10137609
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: PIE0456A
- Manufacturer's date: 2018\-04\-10
- NHTSA component: EXTERIOR LIGHTING:BRAKE LIGHTS; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

## NHTSA's summary

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC C0045 or C0050 Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137609-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137609-0001.pdf)

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

## Components

Brakes, Lighting, Anti\-lock brakes, Brake lights

## Trouble codes named

C0045, C0050

## Vehicles listed

- 2018 CHEVROLET SILVERADO 2500
- 2018 GMC SIERRA 2500
- 2018 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [19V761000](/recalls/nhtsa/19V761000.md), 2019-10-24: SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; ELECTRONIC STABILITY CONTROL \(ESC\)

## Other bulletins for the same vehicles and component

- [PIT5569B](/bulletins/10217764.md), 2022-08-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U\*\*\*\* Byte 71 DTC.
- [PIT3271J](/bulletins/10168960.md), 2019-12-09, Service bulletin: WHEELS; SERVICE BRAKES, AIR:ANTILOCK. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
- [PIE0456](/bulletins/10137396.md), 2018-05-21, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK; ELECTRICAL SYSTEM; TRACTION CONTROL SYSTEM. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC C0045 or C0050 Set.
- [PIT5314B](/bulletins/10126990.md), 2018-01-16, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS. This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or topper. Provisions for the center high mounted stop light have been provided at the Rear Body Junction Block \(X63A\) connector X6 terminal 1 for 2014\-2015 model years. For vehicle model years 2016\-2017 provisions for the center high mounted stop light have been provided at connector X400 terminal 4, circuit 1054.

JSON: [/v1/bulletins/10137609](/v1/bulletins/10137609)

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