# Service bulletin PIT5499A

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: 10156906
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: PIT5499A
- Manufacturer's date: 2019\-03\-04
- NHTSA component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP; SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 or U0420. Technician will need to inspect the Electronic Brake Control Module connector for water intrusion or corrosion on the terminals. If either is found, replace the EBCM and replace the affected terminals. Also remove the tape from the conduit leading to G400 between the main harness and the ground lug.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156906-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156906-9999.pdf)

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

## Components

Brakes, Anti\-lock brakes

## Trouble codes named

C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415, U0420

## Vehicles listed

- 2015 to 2016 CHEVROLET COLORADO
- 2019 CHEVROLET COLORADO
- 2015 to 2016 GMC CANYON
- 2019 GMC CANYON

## 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.
- [PIT5696F](/bulletins/10211760.md), 2022-05-16, Service bulletin: SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer.
- [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.
- [PIT5499](/bulletins/10113931.md), 2017-08-15, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK; SERVICE BRAKES, ELECTRIC. This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 or U0420. Technician will need to inspect the Electronic Brake Control Module connector for water intrusion or corrosion on the terminals. If either is found, replace the EBCM and replace the affected terminals. Also remove the tape from the conduit leading to G400 between the main harness and the ground lug.

JSON: [/v1/bulletins/10156906](/v1/bulletins/10156906)

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