# Service bulletin PIT5596

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: 10125120
- Published by NHTSA: 2017\-12\-14
- Manufacturer's number: PIT5596
- Manufacturer's date: 2017\-11\-17
- NHTSA component: ELECTRICAL SYSTEM; PARKING BRAKE

## NHTSA's summary

This Preliminary information communicates an issue with the body harness shorting out off on the parking brake release cable causing various fuses to blow. We arecurrently looking into how and where this is happening in order to implement a corrective action plan.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125120-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125120-0001.pdf)

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

## Components

Brakes, Electrical system, Parking brake

## Vehicles listed

- 2010 to 2017 CHEVROLET EXPRESS
- 2010 to 2017 GMC SAVANA

## Other bulletins for the same vehicles and component

- [19NA035](/bulletins/10160125.md), 2019-05-20, Service bulletin: PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR; PARKING BRAKE. This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.
- [PI1410B](/bulletins/10137680.md), 2018-05-21, Service bulletin: PARKING BRAKE. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
- [PI1360D](/bulletins/10126384.md), 2017-12-22, Service bulletin: PARKING BRAKE. This preliminary informational bulletin adds the 2015 Chevrolet Colorado and GMC Canyon to diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
- [99\-04\-20\-002I](/bulletins/10114262.md), 2017-08-15, Service bulletin: PARKING BRAKE:DRIVELINE. This informational bulletin explains a normal condition for what and how the drive line can clunk.
- [PI1360A](/bulletins/10113539.md), 2017-08-15, Service bulletin: PARKING BRAKE; PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR. This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park or vehicle rolls in park or park will not hold.
- [PIT5206E](/bulletins/10100046.md), 2017-05-22, Service bulletin: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; PARKING BRAKE; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES “ BRAKE PEDAL OVERRIDE FEATURE “, TRANSMISSION BUSY OR FREQUENT SHIFTING UP OR DOWN, AND DIAGNOSTIC TROUBLE CODES P057B, P057C, AND/OR P057D MAY OR MAY NOT BE SET. TECHNICIAN WILL USE THIS PRELIMINARY INFORMATION TO FIND THE BRAKE PEDAL POSITION DATA PARAMETERS IN THE SCAN TOOL, AND ALSO TO PROVIDE SOME ADDITIONAL DIAGNOSTIC HELP. THESE ISSUES MAY BE CAUSED BY AN INCORRECT BRAKE PEDAL POSITION SENSOR INPUT TO THE ENGINE CONTROL MODULE. TECHNICIAN WILL VERIFY WITH THE SCAN TOOL IF THE ENGINE CONTROL MODULE HAS THE CORRECT PARAMETERS FOR THE BRAKE PEDAL POSITION SENSOR. IF AN ENGINE CONTROL MODULE BRAKE PEDAL POSITION SENSOR RELEARN IS PERFORMED, THE TRUCK MAY BE TEMPORARILY REPAIRED UNTIL THE INTERMITTENT WIRING ISSUE BETWEEN THE ENGINE CONTROL MODULE AND BRAKE PEDAL POSITION SENSOR OCCURS AGAIN. ON 2014 AND NEWER TRUCKS INSPECT AND REPAIR ANY DAMAGE TO X115 AND X119. ON THE 2014 AND PREVIOUS TRUCKS INSPECT AND REPAIR ANY DAMAGE TO X205.
- [PIT5495](/bulletins/10096240.md), 2017-03-23, Service bulletin: EQUIPMENT; STRUCTURE:BODY:BUMPERS; PARKING BRAKE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DISABLE THE REAR PARK ASSIST. IF THE REAR BUMPER WAS REPLACED OR REMOVED TO DISABLE THE REAR PARK ASSIST, REMOVING THE OBS DET FUSE 33 \(10 AMP\) FROM THE UNDERHOOD FUSE BLOCK WILL WORK.

JSON: [/v1/bulletins/10125120](/v1/bulletins/10125120)

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