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Service bulletin PIT-5507

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10078875
Published by NHTSA2016-08-24
Manufacturer's numberPIT-5507
Manufacturer's date2016-05-10
NHTSA componentELECTRICAL SYSTEM:IGNITION; PARKING BRAKE:CONVENTIONAL

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT VEHICLES EQUIPPED WITH ULTRASONIC PARK ASSIST SYSTEM REGULAR PRODUCTION OPTION CODE UD5 OR UD7 WITH A DIAGNOSTIC TROUBLE CODE U0159 SET IN THE INSTRUMENT PANEL CLUSTER AND /OR THE BODY CONTROL MODULE ENGINEERING IS CURRENTLY WORKING ON AN UPDATED CALIBRATION TO CORRECT THE CONCERN.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Electrical system, Ignition, Parking brake

Trouble codes named

U0159

Vehicles listed
CADILLAC ESCALADE2016
CADILLAC ESCALADE ESV2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2016
CHEVROLET TAHOE2016
GMC SIERRA 15002016 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIC5650K2023-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
20-NA-2072022-03-16. Service bulletin. This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
19NA1362021-02-01. Service bulletin. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
19NA1372019-08-26. Service bulletin. This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
19NA1372019-07-29. Service bulletin. This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
19NA0352019-05-20. Service bulletin. 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.
PIT5441C2019-04-08. Service bulletin. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268, and/or U0269 stored in the active safety module. Technician should inspect his Multiple Diagnostic Interface cable for damage. Technician should use the Multiple Diagnostic Interface on a like vehicle with object detection bus or theEL-47955-1 MDI 1, MDI 2 Self-Test Loopback Adapter,if there are no issues found finish with diagnosing the customer’s concern, if concern is present in the like vehicle replace the Multiple Diagnostic Interface cable.
PIT5507E2018-06-18. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ultrasonic Park Assist System Regular Production Option Code UD5 or UD7 technician will use Service Programming System to reprogram the Parking Assist Control Module to correct this concern. Technician will need to inspect the front park assist sensors scallops/reliefs molded into the ring if previously replaced. Technician will need to replace the sensor rings with part number 84075328.
PI1410B2018-05-21. Service bulletin. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
18NA1112018-05-21. Service bulletin. This technical bulletin provides information on Media Disc Player Eject Button and Multifunction Switches 1 and 2 Stay Illuminated After the Ignition Is Turned Off and that this is a normal characteristic.