# Service bulletin PIT5527A

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: 10123286
- Published by NHTSA: 2017\-11\-14
- Manufacturer's number: PIT5527A
- Manufacturer's date: 2017\-10\-30
- NHTSA component: LANE DEPARTURE: ASSIST

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver \(hands off the steering wheel\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123286-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123286-0001.pdf)

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

## Components

Driver assistance, Lane departure and lane keeping

## Vehicles listed

- 2017 to 2018 CADILLAC ESCALADE
- 2017 CHEVROLET SILVERADO
- 2018 CHEVROLET SILVERADO 2500
- 2017 to 2018 CHEVROLET SUBURBAN
- 2017 to 2018 CHEVROLET TAHOE
- 2017 GMC SIERRA
- 2018 GMC SIERRA 3500
- 2017 to 2018 GMC YUKON

## Other bulletins for the same vehicles and component

- [PIT5535C](/bulletins/10143756.md), 2018-08-20, Service bulletin: LANE DEPARTURE: LANE KEEP: STEERING ASSIST; LANE DEPARTURE: WARNING; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
- [17487\-01](/bulletins/10137155.md), 2018-05-21, Service bulletin: LANE DEPARTURE: SENSING SYSTEM: CAMERA; LANE DEPARTURE: LANE KEEP: STEERING ASSIST. 17487\-01 \- Service Update. Revised Warranty and Service Procedure. Calibration files for the front camera module are incorrect and may cause weak, jumpy, or sporadic steering torque to be applied for Lane Keep Assist \(LKA\). The driver can still override the LKA by counter steering or turn off LKA. Reprogram the front camera module.
- [PIC6123A](/bulletins/10114837.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver?s information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit?s internal operating temperature range is \-40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range.
- [PIC6123B](/bulletins/10113346.md), 2017-08-15, Service bulletin: EQUIPMENT:ELECTRICAL; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver's information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit's internal operating temperature range is \-40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range

JSON: [/v1/bulletins/10123286](/v1/bulletins/10123286)

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