Service bulletin PIT5556A
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 | 10211771 |
| Published by NHTSA | 2022-05-16 |
| Manufacturer's number | PIT5556A |
| Manufacturer's date | 2022-04-20 |
| NHTSA component | ELECTRICAL SYSTEM:WIRING |
NHTSA's summary
This Preliminary information communicates an issue where the chassis wiring harness can chaff on the underbody of the vehicle causing a wide varied of issues, depending on which wire(s) is chaffed. Repair the affected wiring as needed
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Wiring and fuses
| CADILLAC ESCALADE | 2015, 2016, 2017 |
|---|---|
| CHEVROLET TAHOE | 2015, 2016, 2017 |
| GMC YUKON | 2015, 2016, 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| PIT5311F | 2020-08-10. Service bulletin. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450. |
|---|---|
| 20NA037 | 2020-04-27. Service bulletin. This technical bulletin is providing a procedure to add additional sealant after repairing a trailer wiring harness with the condition of Unable to Start/Shut Off Vehicle, Extended Engine Crank Prior to Start, Battery Drain, Tail Lamps Inoperative, Unintended Brake Pedal Movement During Operation, and/or Traction Control/Stability System/ABS Indicators Illuminated due to water intrusion. |
| PIT5556A | 2020-04-13. Service bulletin. This Preliminary information communicates an issue where the chassis wiring harness can chaff on the underbody of the vehicle causing a wide varied of issues, depending on which wire(s) is chaffed. Repair the affected wiring as needed |
| 100089005G | 2019-05-13. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| 100089005H | 2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| PIP5335B | 2018-08-06. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump. |
| PIT5391 | 2018-06-04. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and inspect the wiring for damaged or corroded circuits. Technician will repair any damaged or corroded circuits. |
| 18NA079 | 2018-05-21. Service bulletin. This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. |
| 10-00-89-005E | 2018-05-21. Service bulletin. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information. |
| 13-00-89-008A | 2018-05-07. Service bulletin. This informational bulletin communicates GM wiring repair strategy information. |